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Rice University Laser Science Group
 

Publications

2014

[167] J. P. Waclawek, R. Lewicki, H. Moser, M. Brandstetter, F. K. Tittel, B. Lendl, “Quartz-enhanced photoacoustic spectroscopy-based sensor system for sulfur dioxide detection using a CW DFB-QCL.” Applied Physics B: (2014) [pdf]

[166] Rafa Lewicki, Mohammad Jahjah, Briana Foxworth, Yufei Ma, Lei Dong, Robert Griffin, Karol Krzempek, Przemyslaw Stefanski, Frank K. Tittel, Jan Tarka, “Mid-infrared Laser Based Gas Sensor Technologies for Environmental Monitoring, Medical Diagnostics, Industrial and Security Applications.” Springer Science+Business Media Dordrecht, (2014) [pdf]

[165] W. Ren, W. Jiang, N.P. Sanchez, P. Patimisco, V. Spagnolo, C. Zah, F. Xie, L. C. Hughes, R. J. Griffin, F. K. Tittel, “Hydrogen peroxide detection with quartz-enhanced photoacoustic spectroscopy using a distributed-feedback quantum cascade laser.” Applied Physics Letters 104: (2014) [pdf]

[164] M. Jahjah, W. Ren, P. Stefanski, R. Lewicki, J. Zhang, W. Jiang, J. Tarka, F. K. Tittel, “A compact QCL based methane and nitrous oxide sensor for environmental and medical applications.” The Royal Society of Chemistry Analyst: (2014) [pdf]

[163] M. Jahjah, W. Jiang, N. P. Sanchez, W. Ren, P. Patimisco, V. Spagnolo, S.c Herndon, R.J. Griffin, F. K. Tittel, “Atmospheric CH4 and N2O measurements near Greater Houston are landfills using QCL based QEPAS sensor system during DISCOVER-AQ 2013.” Optics Letters 39: 957-960 (2014) [pdf]

[162] Hongpeng Wu Huadan Zheng Yanyan Liu Xiaoli Liu Wenzhe Jiang Lei Zhang Weiguang Ma Wei Ren Wangbao Yin Suotang Jia Lei Dong, Frank K. Tittel, “Double acoustic microresonator quartz-enhanced photoacoustic spectroscopy, April 15, 2014 / Vol. 39, No. 8 / OPTICS LETTERS.” (2014) [pdf]

2013

[161] F.K. Tittel, R. Lewicki, “Tunable mid-infrared laser absorption spectroscopy.”, Woodhead Publishing Ltd., (2013) [pdf]

[160] S. Solga, T. Schwartz, M. Mudalel, L. Spacek, R. Lewicki an F.K. Tittel, C. Loccioni, T. Risby, “Factors influencing breath ammonia determination.” J. Breath Research 7: (2013) [pdf]

[159] F.K. Tittel, R. Lewicki, R. Lascola, S. McWhorter, “Emerging infrared laser absorption spectroscopic techniques for gas analysis.”, John Wiley and Sons Inc., 71-109 (2013) [pdf]

[158] Y. Ma, R. Lewicki, M. Razeghi, F.K. Tittel, “QEPAS based ppb-level detection of CO and N2O using a high power CW DFB-QCL.” Optics Express 21: 1008-1019 (2013) [pdf]

[157] R. Lewicki, M. Jahjah, Y. Ma, P. Stefanski, J. Tarka, M. Razeghi, F.K. Tittel, “Current Status of Mid-Infrared Semiconducto Laser Based Sensor Technologies for Trace Gas Sensing Applications.”, SPIE Press, (2013) [pdf]

[156] K. Krzempek, M. Jahjah, R. Lewicki, P. Stefanski, S. So, D. Thomazy, F.K. Tittel, “CW DFB RT diode laser based sensor for trace-gas detection of ethane using novel compact multipass gas absorption cell.” Appl. Phys. B. (2013) [pdf]

[155] L. Gong, R. Lewicki, R.J. Griffin, B. Karakurt Cevik, A.P. Rutter, F.K. Tittel, J.H. Flynn, B.L. Lefer, E. Scheuer, J.E. Dibb, S. Kim, “Characterization of atmospheric ammonia near Fort Worth, TX – Part I. Dynamics of gaseous ammonia.” Journal of Geophysical Research – Atmospheres (2013) [pdf]

[154] A. Kachanov, S. Koulikov, F.K. Tittel, “Cavity Enhanced Optical Feedback Assisted Photoacoustic Spectroscopy with a 10.4 microns External-Cavity Quantum Cascade Laser.” Appl. Phys. B 110: 47-56 (2013) [pdf]

[153] L. Gong, R. Lewicki, R. Griffin, F.K. Tittel, C.R. Lonsdale, R.G. Stevens, J.R. Pierce, Q.G.J. Malloy, S.A. Travis, L.M. Bobmanuel, B.L. Lefer, J.H. Flynn, “Role of Atmospheric ammonia in particulate matter formation in Houston, TX during summertime.” Atmospheric Envi 77: 893-900 (2013) [pdf]

[152]F.K. Tittel, R. Lewicki, M. Jahjah, B. Foxworth, Y. Ma, “Mid-Infrared Laser based Gas Sensor Technologies for Environmental Monitoring, Medical Diagnostics, Industrial and Security Applications.” Chapter 21 in “Terahertz and Mid Infrared Radiation: Detection of Explosives and CBRN (using Terahertz), Nato Science for Peace and Security Series B: Physics and Biophsycs”, 153-165, Springer Science+Business (2014) [pdf]

[151] L. Gong, R. Lewicki, Y.J. Leong, B. Karakurt Cevik, A.P. Rutter, K.M. Shakya, R.J. Griffin, F.K. Tittel, J.H. Flynn, B.L. Lefer, E. Scheuer, J.E. Dibb, S. Kim, “Characterization of atmospheric ammonia near Fort Worth, TX – Part II. Impact of ammonia on particulate matter formation.” Journal of Geoph (2013) [pdf]

2012

[150] V. Spagnolo, L Dong, A. A. Kosterev, F. K. Tittel, “Modulation cancellation method for isotope 18^O/16^O.” Optics Express 20, 3401: (2012) [pdf]

[149] Frank K. Tittel, Lei Dong, Rafal Lewicki, George Lee, Adjani Peralta, Vincenzo Spagnolo, “Sensitive detection of nitric oxide using a 5.26 micro-m external cavity quantum cascade laser based QEPAS sensor.” Proc. of SPIE 8268: (2012) [Quantum sensing and nanophotonic devices IX] [pdf]

[148] K. Krzempek, R. Lewicki, L. Naaehle, M. Fischer, J. Koeth, S. Behahsene, Y. Roulard, L. Worschech, F.K. Tittel, “Continuous wave, distributed feedback diode laser based sensor for trace gas detection of ethane.” Appl Phys B 106: 251-255 (2012) [pdf]

[147] L. Gong, R. Lewicki, R.J. Griffin, F.K. Tittel, J.R. Pierce, C. Lonsdale, R. Stevens, Q. Malloy, S. Travis, L. Bobomanuel, B.L. Lefer, J.H. Flynn, “Atmospheric ammonia measurements and implications for particular matter formation in Houston TX.” (2012) [pdf]

[146] L. Dong, J. Wright, B. Peters, B.A. Ferguson, F.K. Tittel, S. McWhorter, “Compact QEPAS sensor for trace methane and ammonia detection in impure hydrogen.” Appl Phys B (2012) [pdf]

[145] L. Dong, R. Lewicki, K. Liu, P.R. Buerki, M.J. Weida, F.K. Tittel, “Ultra- sensitive carbon monoxide detection by using EC-QCL based quartz-enhanced photoacoustic spectroscopy.” Appl Phys B 107: 275-283 (2012) [pdf] 

2011

[144] Christian A. Zaugg, Rafal Lewicki, Tim Day, Robert F. Curl, Frank K. Tittel, “Faraday rotation spectroscopy of nitrogen dioxide based on a widely tunable external cavity quantum cascade laser.” Proc. of SPIE 7945: 50O-1 (2011) [pdf]

[143] F.K. Tittel, R.F. Curl, L. Dong, J.H. Doty, A.A. Kosterev, R. Lewicki, D. Thomazy, G. Wysocki, “Recent Advances in Infrared Semiconductor Laser based Chemical Sensing Technologies.”, Springer, Proc. of NATO Advanced Research Workshop, Marmaris, Turkey, 3-6 Nov. 2009: 165-173 (2011) [pdf]

[142] V. Spagnolo, L. Dong, A.A. Kosterev, D. Thomazy, J.H. Doty III, F.K. Tittel, “Modulation cancellation method in laser spectroscopy.” Appl. Phys. B 103: 735-742 (2011) [pdf]

[141] V. Spagnolo, L. Dong, A. A. Kosterev, D. Thomazy, J. H. Doty, F. K. Tittel, “Modulation cancellation method for laser spectroscopy.” Proc. of SPIE 7945: 50I-1 (2011) [pdf]

[140] Vincenzo Spagnolo, Lei Dong, Anatoliy A. Kosterev, David Thomazy, James H. Doty, Frank K. Tittel, “Modulation cancellation method for measurements of small temperature differences in a gas.” Optics Letters 36: 460-462 (2011) [pdf]

[139] Noemi Petra, John Zweck, Susan E. Minkoff, Anatoliy A. Kosterev, James H. Doty, “Modeling and Design optimization of a resonant optothermoacoustic trace gas sensor.” SIAM J. of Appl. Math 71: 309-332 (2011) [pdf]

[138] Matthew R McCurdy, Amir Sharafkhaneh, Hanan Abdel-Monem, Javier Rojo, Frank K Tittel, “Exhaled nitric oxide parameters and functional capacity in chronic obstructive pulmonary disease.” Journal of Breath Research 5: 016003 (2011) [pdf]

[137] Rafal Lewicki, Anatoliy A. Kosterev, David M. Thomazy, Terence H. Risby, Steven Solga, Timothy B. Schwartz, Frank K. Tittel, “Real time ammonia detection in exhaled human breath using a distributed feedback quantum cascade laser based sensor.” Proc. of SPIE 7945: 50K-2 (2011) [pdf]

[136] James H. Doty, Anatoliy A Kosterev, Frank K Tittel, “Recent Advances in Resonant Optothermalacoustic Detection.” Proc. of SPIE 7945: 50Q-1 (2011) [pdf]

[135] Lei Dong, Anatoliy A. Kosterev, David Thomazy, Frank K. Tittel, “Compact Portable QEPAS Multi-gas Sensor.” Proc. of SPIE 7945: 50R-1 (2011) [pdf]

2010

[134] V. Spagnolo, A. A. Kosterev, L. Dong, R. Lewicki, F. K. Tittel, “NO trace gas sensor based on quartz enhanced photoacoustic spectroscopy and external cavity quantum cascade laser.” App. Phys. B 100: 125-130 (2010) [pdf]

[133] D.V. Serebryakov, I.V. Morozov, A. A. Kosterev, V.S. Letokhov, “Laser microphotoacoustic sensor of ammonia traces in the atmosphere.” Quantum Electronics (Russian) 40: 167-172 (2010) [pdf]

[132] Terence H Risby, Frank K. Tittel, “Current status of mid-infrared quantum and interband cascade lasers for clinical breath analysis.” Optical Engineering 49: 111123-1-14 (2010) [pdf]

[131] Kun Liu, Hongming Yi, Anatoliy A. Kosterev, Weidong Chen, Lei Dong, Lei Wang, Tu Tan, Weijun Zhang, Frank K. Tittel, Xiaoming Gao, “Trace gas detection based on off-beam quartz enhanced photoacoustic spectroscopy: Optimization and performance evaluation.” Review of Scientific Instruments 81: 103103 (2010) [pdf]

[130] A.A. Kosterev, J.H. Doty, “Resonant optothermoacoustic detection: technique for measuring weak optical absorption by gases and micro-objects.” Optics Letters 35: 3571-3573 (2010) [pdf]

[129] A.A. Kosterev, L. Dong, D. Thomazy, F.K. Tittel, S. Overby, “QEPAS for chemical analysis of multi-component gas mixtures.” App. Phys. B 101: 649-659 (2010) [pdf]

[128] Anatoliy A Kosterev, Peter R.Buerki, Lei Dong, Murray Reed, Tim Day, Frank K. Tittel, “QEPAS detector for rapid spectral measurements.” App. Phys. B 100: 173-180 (2010) [pdf]

[127] Lei Dong, Anatoliy A. Kosterev, David Thomazy, Frank K. Tittel, “QEPAS spectrophones: design, optimization, and performance.” Appl Phys B 100: 627-635 (2010) [pdf]

[126] Robert F Curl, Frederico Capasso, Claire Gmachl, Anatoliy A Kosterev, Barry McManus, Rafal Lewicki, Michael Pusharsky, Gerard Wysocki, Frank K Tittel, “Quantum cascade lasers in chemical physics.” Chemical Physics Letters 487: 1-18 (2010) [pdf]

2009

[125] N Weppenaar, Anatoliy A Kosterev, Lei Dong, David Thomazy, Frank K Tittel, “Fiberoptic Gas Monitoring of Flexible Risers.” (2009) [pdf]

[124] Stephen So, A A Sani, L Zhong, Frank K Tittel, Gerard Wysocki, “Laser Spectroscopic Trace-Gas Sensor Networks for Atmospheric Monitoring Applications.” (2009) [pdf]

[123] S Schilt, Anatoliy A Kosterev, Frank K Tittel, “Performance evaluation of a near infrared QEPAS based ethylene sensor.” Applied Physics B 95: 813-824 (2009) [pdf]

[122] Dirk Richter, Bryan P Wert, Alan Fried, P Weibring, James G Walega, J W White, B H Vaughn, Frank K Tittel, “High precision carbon dioxide isotope spectrometer with a difference frequency generation laser source.” Optics Letters 34 34: 172-174 (2009) [pdf]

[121] Rafal Lewicki, James H Doty III, Robert F Curl, Frank K Tittel, Gerard Wysocki, “Ultra-sensitive Detection of Nitric Oxide at 5.33 μm using External Cavity Quantum Cascade Laser based Magnetic Rotation Spectroscopy.” PNAS 106: 12587-12592 (2009) [pdf]

[120] N Petra, J Zweck, Anatoliy A Kosterev, S E Minkoff, David Thomazy, “Theoretical Analysis of a Quartz-Enhanced Photoacoustic Spectroscopy Sensor.” Appl Phys B 94: 673-680 (2009) [pdf]

[119] K Liu, J Li, L Wang, T Tang, W Zhang, Xiaoming Gao, Weidong Chen, Frank K Tittel, “Trace gas sensor based on quartz tuning fork enhanced laser photoacoustic spectroscopy.” Applied Physics B 94: 527-533 (2009) [pdf]

[118] C Bauer, U Willer, Rafal Lewicki, A Pohlkotter, Anatoliy A Kosterev, D Kosynkin, Frank K Tittel, W Schade, “A Mid-infrared QEPAS sensor device for TATP detection.” Journal of Physics: Conference Series 157: 012002 (2009) [pdf]

2008

[117] Gerard Wysocki, Rafal Lewicki, Robert F Curl, Frank K Tittel, L Diehl, Frederico Capasso, M Troccoli, G Hoffler, D P Bour, S W Corzine, R Maulini, J Faist, “Widely tunable mode-hop free external cavity quantum cascade lasers for high resolution spectroscopy and chemical sensing.” Applied Physics B 92: 305-311 (2008) [pdf]

[116] M Troccoli, L Diehl, D P Bour, S W Corzine, N Yu, C H Wang, M A Belkin, G Höfler, Rafal Lewicki, Gerard Wysocki, Frank K Tittel, Frederico Capasso, “High-Performance Quantum Cascade Lasers Grown by Metal-Organic Vapor Phase Epitaxy and Their Applications to Trace Gas Sensing.” Journal of Lightwave Technology 26: 3534-3555 (2008) [pdf]

[115] Frank K Tittel, Gerard Wysocki, Anatoliy A Kosterev, Yury A Bakhirkin, “Semiconductor Laser Based Trace Gas Sensor Technology: Recent Advances and Applications.” (2008) [pdf]

[114] Frank K Tittel, Yury A Bakhirkin, Anatoliy A Kosterev, Rafal Lewicki, Stephen So, Gerard Wysocki, Robert F Curl, “Recent Advances and Applications of Mid-Infrared based Trace Gas Sensor Technology.” (2008) [pdf]

[113] Anatoliy A Kosterev, Gerard Wysocki, Yury A Bakhirkin, Stephen So, Rafal Lewicki, Frank K Tittel, Robert F Curl, “Application of quantum cascade lasers to trace gas analysis M. Sigrist (Ed.) Selected papers from the International Conference on Tunable Lasers and Fundamental Laser Spectroscopy.” Applied Physics B 90: 165-176 (2008) [pdf]

[112] Anatoliy A Kosterev, Frank K Tittel, G Bearman, “Advanced quartz-enhanced photoacoustic trace gas sensor for early fire detection.” (2008) [pdf]

[111] Anatoliy A Kosterev, Yury A Bakhirkin, Frank K Tittel, S McWhorter, B Ashcraft, “QEPAS methane sensor performance for humidified gases.” Applied Physics B 92: 103-109 (2008) [pdf]

[110] Alan Fried, James G Walega, J R Olson, J H Crawford, G Chen, P Weibring, Dirk Richter, C Roller, Frank K Tittel, B Heikes, J Snow, H Shen, D Sullivan, M Porter, H Feulberg, J Halland, D Millet, D Jacob, “Formaldehyde over North America and the North Atlantic during the Summer 2004 INTEX Campaign: Methods, Observed Distributions, and Measurement Box Model Comparisons.” J.Geophys. Res. 113: 10302-10302 (2008) [pdf]

[109] Alan Fried, J R Olson, James G Walega, J H Crawford, G Chen, P Weibring, Dirk Richter, C Roller, Frank K Tittel, M Porter, H Fuelberg, J Halland, T H Bertram, R C Cohen, K Pickering, B G Heikes, J A Snow, H Shen, D W O’Sullivan, W H Brune, X Ren, D R Blake, N Blake, G Sachse, G S Diskin, J Podolske, S A Vay, R E Shetter, S R Hall, B E Anderson, L Thornhill, A D Clarke, C S McNaughton, H B Singh, M A Avery, G Huey, S Kim, D B Millet, “The Role of Convection in Redistributing Formaldehyde to the Upper Troposphere over North America and the North Atlantic during the Summer 2004 INTEX Campaign.” J. Geophys. Res. 113: 17306-17306 (2008) [pdf]

[108] Weidong Chen, Anatoliy A Kosterev, Frank K Tittel, Xiaoming Gao, W Zhao, “H2S trace concentration measurements using Off-Axis Integrated Cavity Output Spectroscopy in the Near-Infrared Selected papers from the International Conference on Tunable Lasers and Fundamental Laser Spectroscopy.” Applied Physics B 90: 311-315 (2008) [pdf]

2007

[107] Gerard Wysocki, Yury A Bakhirkin, Stephen So, Frank K Tittel, C J Hill, R Q Yang, Matthew P Fraser, “Dual interband cascade laser based trace-gas sensor for environmental monitoring.” Appl. Opt. 46: 8202-8210 (2007) [pdf]

[106] S G So, F Koushanfar, Anatoliy A Kosterev, Frank K Tittel, “LaserSPECks:: laser SPECtroscopic trace-gas sensor networks – sensor integration and applications.” (2007) [pdf]

[105] A K Ngai, S T Persijni, D Lindsay, Anatoliy A Kosterev, P Gross, C J Lee, C M Cristescu, Frank K Tittel, K J Boller, F J Harren, “Continuous Wave Optical Parametric Oscillator for Quartz-Enhanced Photoacoustic Trace Gas Sensing.” Appl. Phys. B 89: 123-128 (2007) [pdf]

[104] M R McCurdy, Yury A Bakhirkin, Gerard Wysocki, Frank K Tittel, “Performance of an exhaled nitric oxide and carbon dioxide sensor using quantum cascade laser-based integrated cavity output spectroscopy.” Journal of Biomedical Optics 12: 1-9 (2007) [pdf]

[103] M R McCurdy, Yury A Bakhirkin, Gerard Wysocki, Rafal Lewicki, Frank K Tittel, “Recent advances of laser-spectroscopy-based techniques for applications inbreath analysis.” Journal of Breath Research 1: 014001-014001 (2007) [pdf]

[102] Rafal Lewicki, Gerard Wysocki, Anatoliy A Kosterev, Frank K Tittel, “Carbon Dioxide and ammonia detection using 2μm diode laser based quartz-enhanced photoacoustic spectroscopy.” Appl. Phys. B 87: 157-162 (2007) [pdf]

[101] Rafal Lewicki, Gerard Wysocki, Anatoliy A Kosterev, Frank K Tittel, “QEPAS based detection of broadband absorbing molecules using a widely tunable, cw quantum cascade laser at 8.4 μm.” Optics Express 15: 7357-7366 (2007) [pdf]

[100] Weidong Chen, J Cousin, E Poullet, Jean Burie, Daniel Boucher, Xiaoming Gao, Markus W Sigrist, Frank K Tittel, “Continuous-wave mid-infrared laser sources based on difference frequency generation.” Special Issue ”Optical Parametric Sources in the Infrared”, Comptes Rendus Physique 8: 1129-1150 (2007) [pdf]

2006

[99] Gerard Wysocki, Anatoliy A Kosterev, Frank K Tittel, “Influence of molecular relaxation dynamics on quartz-enhanced photoacoustic detection of CO2 at λ = 2 μm.” Appl. Phys. B 85: 301-306 (2006) [pdf]

[98] Frank K Tittel, D Weidmann, C Oppenheimer, L Gianfrani, “Laser Absorption Spectroscopy for Volcano Monitoring.” OPN 17: 24-31 (2006) [pdf]

[97] Frank K Tittel, Yury A Bakhirkin, Anatoliy A Kosterev, Gerard Wysocki, “Recent Advances in Trace Gas Detection Using Quantum and Interband Cascade Lasers.” The Review of Laser Engineering 34: 275-284 (2006) [pdf]

[96] S G So, Gerard Wysocki, J P Frantz, Frank K Tittel, “Development of Digital Signal Processor controlled Quantum Cascade Laser based Trace Gas Sensor Technology.” IEEE Sensors J. 6: 1057-1067 (2006) [pdf]

[95] C Roller, Alan Fried, James G Walega, P Weibring, Frank K Tittel, “Advances in hardware, system diagnostics software, and acquisition procedures for high performance airborne tunable diode laser measurements of formaldehyde.” Appl. Phys. B 82: 247-264 (2006) [pdf]

[94] J H Miller, Yury A Bakhirkin, T Ajtai, Frank K Tittel, C J Hill, R Q Yang, “Detection Of Formaldehyde Using Off-Axis Integrated Cavity Output Spectroscopy With An Interband Cascade Laser.” Appl. Phys. B 85: 391-396 (2006) [pdf]

[93] M R McCurdy, Yury A Bakhirkin, Frank K Tittel, “Quantum cascade laser-based integrated cavity output spectroscopy of exhaled nitric oxide.” Appl. Phys. B 85: 445-452 (2006) [pdf]

[92] Anatoliy A Kosterev, T S Moseley, Frank K Tittel, “Impact of humidity on quartz-enhanced photoacoustic spectroscopy based detection of HCN.” Appl. Phys. B. 85: 295-300 (2006) [pdf]

[91] Yury A Bakhirkin, Anatoliy A Kosterev, Robert F Curl, Frank K Tittel, D A Yarekha, L Hvozdara, M Giovannini, J Faist, “Sub-ppbv nitric oxide concentration measurements using cw thermoelectrically cooled quantum cascade laser-based integrated cavity output spectroscopy.” Applied Physics B 82: 149-154 (2006) [pdf]

2005

[90] Gerard Wysocki, Anatoliy A Kosterev, Frank K Tittel, “Spectroscopic trace-gas sensor with rapidly scanned wavelengths of a pulsed quantum cascade laser for in situ NO monitoring of industrial exhaust systems.” App. Phys. B 80: 617-625 (2005) [pdf]

[89] Gerard Wysocki, Robert F Curl, Frank K Tittel, R Maulini, J M Bulliard, J Faist, “Widely tunable mode-hop free external cavity quantum cascade laser for high resolution spectroscopic applications.” Appl. Phys. B 81: 769-777 (2005) [pdf]

[88] D Weidmann, Gerard Wysocki, C Oppenheimer, Frank K Tittel, “Development of a compact quantum cascade laser spectrometer for field measurements of CO2 isotopes.” Applied Physics B 80: 255-260 (2005) [pdf]

[87] D Weidmann, C Roller, C Oppenheimer, Alan Fried, Frank K Tittel, “Carbon isotopomers measurement using mid-IR tunable laser sources.” Isotopes in Environmental and Health Studies 41: 293-302 (2005) [pdf]

[86] Anatoliy A Kosterev, Frank K Tittel, D Serebryakov, Alexander L Malinovsky, I Morozov, “Applications of Quartz Tuning Forks in Spectroscopic Gas Sensing.” Rev. Sci. Instr. 76: 1-9 (2005) [pdf]

[85] Anatoliy A Kosterev, Yury A Bakhirkin, Frank K Tittel, “Ultrasensitive gas detection by quartz-enhanced photoacoustic spectroscopy in the fundamental molecular absorption bands region.” Applied Physics B 80: 133-138 (2005) [pdf]

2004

[84] Gerard Wysocki, M McCurdy, S So, D Weidmann, C Roller, Robert F Curl, Frank K Tittel, “Pulsed quantum-cascade laser-based sensor for trace-gas detection of carbonyl sulfide.” Applied Optics 43: 6040-6046 (2004) [pdf]

[83] D Weidmann, Frank K Tittel, T Aellen, M Beck, D Hofstetter, J Faist, S Blaser, “Mid-infrared trace-gas sensing with a quasicontinuous-wave Peltier-cooled distributed feedback quantum cascade laser.” Appl. Phys. B 79: 907-913 (2004) [pdf]

[82] D Weidmann, Anatoliy A Kosterev, Frank K Tittel, N Ryan, D McDonald, “Application of a widely electrically tunable diode laser to chemical gas sensing with quartz-enhanced photoacoustic spectroscopy.” Optics Letters 29: 1837-1839 (2004) [pdf]

[81] D Weidmann, Anatoliy A Kosterev, C Roller, Robert F Curl, Matthew P Fraser, Frank K Tittel, “Monitoring of ethylene by a pulsed quantum cascade laser.” Applied Optics 43: 3329-3334 (2004) [pdf]

[80] D C Larrabe, G A Khodaparast, Frank K Tittel, J Kono, M Rochat, and A Ajili, J Faist, H E Beere, E H Linfield, K Ueda, Y Nakajima, M Nakai, S Sasa, M Inoue, S J Chung, M B Santos, “Application of Terahertz Quantum Cascade Lasers to Semiconductor Cyclotron Resonance.” Optics Letters 29: 122-124 (2004) [pdf]

[79] Anatoliy A Kosterev, Frank K Tittel, “Ammonia detection using quartz-enhanced photoacoustic spectroscopy with a near-IR telecommunication diode laser.” Applied Optics 43: 6213-6217 (2004) [pdf]

[78] Anatoliy A Kosterev, Yury A Bakhirkin, Frank K Tittel, S Blaser, Y Bonetti, L Hvozdara, “Photoacoustic phase shift as a chemically selective spectroscopic parameter.” Applied Physics B (Rapid Communications) 78: 673-676 (2004) [pdf]

[77] M Horstjann, Yury A Bakhirkin, Anatoliy A Kosterev, Robert F Curl, Frank K Tittel, C M Wong, C j Hill, R Q Yang, “Formaldehyde sensor using interband cascade laser based quartz-enhanced photoacoustic spectroscopy.” Appl. Phys. B 79: 799-803 (2004) [pdf]

[76] J Chen, S So, H Lee, Matthew P Fraser, Robert F Curl, T L Harman, Frank K Tittel, “Atmospheric Formaldehyde Monitoring in the Greater Houston Area in 2002.” Applied Spectroscopy 58: 243-247 (2004) [pdf]

[75] A Barkan, Frank K Tittel, D M Mittelman, R Dengler, P H Siegel, G Scalari, L Ajili, J Faist, H E Beere, E H Linfield, A G Davies, D A Richie, “Linewidth and tuning characteristics of THz quantum cascade laser.” Optics Letters 6: 575-577 (2004) [pdf]

[74] Yury A Bakhirkin, Anatoliy A Kosterev, C Roller, Robert F Curl, Frank K Tittel, “Mid-Infrared Quantum Cascade Laser based Off-Axis Integrated Cavity Output Spectroscopy for Biogenic NO Detection.” Applied Optics 43: 2247-2266 (2004) [pdf]

2003

[73] C Roller, Anatoliy A Kosterev, Frank K Tittel, K Uehara, Claire Gmachl, Deborah L Sivco, “Carbonyl sulfide detection with a thermoelectrically cooled mid-infrared quantum cascade laser.” Optics Letters 28: 2045-2052 (2003) [pdf]

2002

[72] Dirk Richter, Alan Fried, Bryan P Wert, James G Walega, Frank K Tittel, “Development of a tunable mid-IR difference-frequency laser source for highly-sensitive airborne trace gas detection.” Applied Physics B 75: 281-288 (2002) [pdf]

[71] Dirk Richter, Miklos Erdelyi, Robert F Curl, Frank K Tittel, C Oppenheimer, H J Duffell, M Burton, “Field measurements of volcanic gases using tunable diode laser based mid-infrared and Fourier transform infrared spectrometers.” Optics and Lasers in Engineering 37: 171-186 (2002) [pdf]

[70] Darrin Leleux, Ricardo Claps, Weidong Chen, Frank K Tittel, T L Harman, “Applications of Kalman filtering to real-time trace gas concentration measurements.” Appl. Phys. B 74: 85-93 (2002) [pdf]

[69] Anatoliy A Kosterev, Frank K Tittel, RüdegerKöhler, Claire Gmachl, Frederico Capasso, Deborah L Sivco, Alfred Y Cho, Shawn Wehe, Mark G Allen, “Thermoelectrically cooled quantum-cascade-laser-based sensor for the continuous monitoring of ambient atmospheric carbon monoxide.” Applied Optics 41: 1169-1173 (2002) [pdf]

[68] Anatoliy A Kosterev, Frank K Tittel, William Durante, Mark G Allen, Rüdeger Köhler, Claire Gmachl, Frederico Capasso, Deborah L Sivco, Alfred Y Cho, “Detection of biogenic CO production above vascular cell cultures using a near-room-temperature QC-DFB laser.” Applied Phys. B 74: 95-99 (2002) [pdf]

[67] Anatoliy A Kosterev, Frank K Tittel, Robert F Curl, M Rochat, J Faist, “Chemical sensing applications with long wavelength mid-infrared QC-lasers.” Applied Physics B 75: 351-357 (2002) [pdf]

[66] Anatoliy A Kosterev, Frank K Tittel, “Chemical Sensors Based on Quantum Cascade Lasers.” IEEE JQE Special Issue on Quantum Cascade Lasers 38: 582-591 (2002) [pdf]

[65] Anatoliy A Kosterev, Robert F Curl, Frank K Tittel, Rüdeger Köhler, Claire Gmachl, Frederico Capasso, Deborah L Sivco, Alfred Y Cho, “Transportable automated ammonia sensor based on a pulsed thermoelectrically cooled quantum-cascade distributed feedback laser.” Applied Optics 41: 573-578 (2002) [pdf]

[64] Anatoliy A Kosterev, Yury A Bakhirkin, Robert F Curl, Frank K Tittel, “Quartz-enhanced photoacoustic spectroscopy.” Optics Letters 27: 1902-1904 (2002) [pdf]

[63] Stephen Friedfeld, Matthew P Fraser, K Ensor, S Tribble, Dirk Rehle, Darrin Leleux, Frank K Tittel, “Statistical analysis of primary and secondary atmospheric formaldehyde.” Atmospheric Environment 36: 4767-4775 (2002) [pdf]

[62] Miklos Erdelyi, Dirk Richter, Frank K Tittel, “13CO2/12CO2 isotopic ratio measurements using a difference-frequency-based sensor operating at 4.35 μm.” Applied Phys. B 75: 289-295 (2002) [pdf]

[61] Robert F Curl, Frank K Tittel, “Tunable infrared laser spectroscopy.” (2002) [pdf]

[60] Weidong Chen, Daniel Boucher, Frank K Tittel, “Recent advances in continuous-wave laser difference-frequency generation in the mid-infrared: State of the art applications and perspectives.” Recent Res. Devel. Applied Phys. 5: 27-68 (2002) [pdf]

[59] Zotlan Bozoki, Arpad Mohacsi, Gabor Szabo, Zsolt Bor, Miklos Erdelyi, Weidong Chen, Frank K Tittel, “Near Infrared Diode Based Spectroscopic Detection of Ammonia: A Comparative Study of Photoacoustic and Direct Optical Absorption Methods.” Applied Spectroscopy 56: 715-719 (2002) [pdf]

2001

[58] Michael E Webber, Ricardo Claps, Florian V Englich, Frank K Tittel, Jay B Jeffries, Ronald K Hanson, “Measurements of NH3 and CO2 with DFB Diode Lasers Near 2.0 μm in Bioreactor Vent Gases.” Applied Optics 40: 4395-4403 (2001) [pdf]

[57] Dirk Rehle, Darrin Leleux, Miklos Erdelyi, Frank K Tittel, Matthew P Fraser, Stephen Friedfeld, “Ambient Formaldehyde Detection with a Laser Spectrometer based on Difference Frequency Generation in PPLN.” Appl. Phys. B 72: 947-952 (2001) [pdf]

[56] K P Petrov, L Goldberg, W K Burns, Robert F Curl, Frank K Tittel, “Detection of CO in Air Using Diode-Pumped 4.6 μm Difference Frequency Generation in Quasi-Phase Matched LiNbO3.” Applied Phys. B 72: 873-876 (2001)

[55] Yuji Morimoto, William Durante, David G Lancaster, Jens Klattenhoff, Frank K Tittel, “Real-time measurement of endogenous CO production from vascular cells using an ultrasensitive laser sensor.” Am. J. Physiology: Heart and Circulatory Physiology 280: 483-488 (2001) [pdf]

[54] Lars Menzel, Anatoliy A Kosterev, Frank K Tittel, Claire Gmachl, Frederico Capasso, Deborah L Sivco, James N Baillargeon, Albert L Hutchinson, Alfred Y Cho, Wolfgang Urban, “Spectroscopic detection of biological NO with a quantum cascade laser.” Applied Physics B 72: 859-863 (2001) [pdf]

[53] Naoya Matsuoka, Shigeru Yamaguchi, Kenzo Nanri, Tomoo Fujioka, Dirk Richter, Frank K Tittel, “Yb fiber laser pumped min-IR source based on difference frequency generation and its application to ammonia detection.” Jap. J. Appl. Phys 40: 625-628 (2001) [pdf]

[52] Anatoliy A Kosterev, Alexander L Malinovsky, Frank K Tittel, Claire Gmachl, Frederico Capasso, Deborah L Sivco, James N Baillargeon, Albert L Hutchinson, Alfred Y Cho, “Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wavequantum-cascade laser.” Applied Optics 40: 5522-5529 (2001) [pdf]

[51] R Claps, Florian V Englich, Darrin Leleux, Dirk Richter, Frank K Tittel, Robert F Curl, “Ammonia detection using near infrared diode laser based overtone spectroscopy.” Applied Optics 40: 4376-4386 (2001) [pdf]

[50] Weidong Chen, Gael Mouret, Daniel Boucher, Frank K Tittel, “Mid-infrared trace gas detection using Continuous-Wave Difference Frequency Generation in Periodically Poled RbTiOAsO4.” Applied Phys. B 72: 873-876 (2001) [pdf]

2000

[49] Frank K Tittel, David G Lancaster, D Richter, “Novel Diode Laser Based Sensors for Gas Sensing Applications.” Laser Physics 10: 1-7 (2000)

[48] D Richter, Frank K Tittel, J Bahr, D Wickham, J Wright, J C Graf, “Diode Laser Based Formaldehyde Measurements in a Catalytic Trace Contaminant Control System.” (2000)

[47] Dirk Richter, David G Lancaster, Frank K Tittel, “Development of an automated diode laser based multi-component gas sensor.” Applied Optics 39: 4444-4450 (2000) [pdf]

[46] J Limpert, H Zellmer, S Tuennermann, David G Lancaster, R Weidner, Dirk Richter, Frank K Tittel, “Tunable cw DFG-based gas sensor using a fiber amplified 1.5 μm external cavity diode laser and a high power 1 μm diode laser.” Electron. Lett. 36: 1739-1741 (2000)

[45] David G Lancaster, D Richter, Robert F Curl, Frank K Tittel, “Diode Lasers, DFG and Molecules.” OSA TOPS – Advanced Semiconductor and Lasers and Their Applications 31: 43-46 (2000)

[44] David G Lancaster, A Fried, Bryan P Wert, B Henry, Frank K Tittel, “Difference-frequency-based tunable absorption spectrometer for detection of atmospheric formaldehyde.” Applied Optics 39: 4436-4443 (2000) [pdf]

[43] David G Lancaster, R Weidner, D Richter, Frank K Tittel, J Limpert, “Compact CH4 sensor based on difference frequency mixing of diode laser in quasi-phased matched LiNbO3.” Optics Communications 175: 461-468 (2000)

[42] Anatoliy A Kosterev, Frank K Tittel, Claire Gmachl, Frederico Capasso, Deborah L Sivco, James N Baillargeon, Albert L Hutchinson, Alfred Y Cho, “Trace gas detection in ambient air with a thermoelectrically cooled QC-DFB laser.” Applied Optics 39: 6866-6872 (2000) [pdf]

[41] Anatoliy A Kosterev, Robert F Curl, Frank K Tittel, Claire Gmachl, Frederico Capasso, Deborah Sivco, James N Baillargeon, Albert L Hutchinson, Alfred Y Cho, “Effective utilization of quantum-cascade distributed-feedback lasers in absorption spectroscopy.” Applied Optics 39: 4425-4430 (2000) [pdf]

[40] Stephen Friedfeld, Matthew P Fraser, David G Lancaster, Darrin Leleux, Dirk Rehle, Frank K Tittel, “Field Intercomparison of a Novel Optical Sensor for Formaldehyde Quantification.” Geophysical Research Letters 27: 2093-2096 (2000) [pdf]

[39] Miklos Erdelyi, Zsolt Bor, William L Wilson, Michael C Smayling, Frank K Tittel, “Enhanced optical microlithography with a Fabry-Perot-based spatial filtering technique.” Applied Optics 39: 1121-1129 (2000) [pdf]

[38] Weidong Chen, Fabrice Cazier, Frank K Tittel, Daniel Boucher, “Benzene concentration measurements using difference frequency laser absorption spectroscopy.” Applied Optics 39: 6238-6242 (2000) [pdf]

1999

[37] Frank K Tittel, David G Lancaster, D Richter, Robert F Curl, “Laser based absorption sensors for trace gas monitoring in a spacecraft habitat.” (1999) [pdf]

[36] D Richter, David G Lancaster, Robert F Curl, Frank K Tittel, “Tunable, fiber coupled spectrometer based on difference-frequency generation in periodically poled lithium niobate.” (1999) [pdf]

[35] David G Lancaster, D Richter, Frank K Tittel, “Portable fiber coupled diode laser based sensor for multiple trace gas detection.” Applied Physics B – Lasers and Optics 69: 459-465 (1999) [pdf]

[34] David G Lancaster, D Richter, Robert F Curl, Frank K Tittel, L Goldberg, J Koplow, “High-power continuous-wave mid-infrared radiation generated by difference frequency mixing of diode-laser-seeded fiber amplifiers and its application to dual-beam spectroscopy.” Optics Letters 24: 1744-1746 (1999) [pdf]

[33] Anatoliy A Kosterev, Robert F Curl, Frank K Tittel, Claire Gmachl, Frederico Capasso, Deborah Sivco, J N Baillargeon, Albert L Hutchinson, Alfred Y Cho, “Methane concentration and isotopic composition measurements with a mid-infrared quantum-cascade laser.” Optics Letters 24: 1762-1764 (1999) [pdf]

[32] Miklos Erdelyi, K Osvay, Zsolt Bor, William L Wilson, M C Smayling, Frank K Tittel, “Enhanced Microlithography using Coherent Multiple Imaging.” (1999)

[31] Miklos Erdelyi, K Osvay, Zsolt Bor, William L Wilson, M C Smayling, Frank K Tittel, “Coherent Multiple Imaging by Means of Pupil Plane Filtering.” (1999)

[30] Miklos Erdelyi, Armen Kroyan, K Osvay, Zsolt Bor, William L Wilson, M C Smayling, Frank K Tittel, “Coherent Multiple Imaging by means of Pupil Plane Filter.” (1999)

[29] Miklos Erdelyi, Zsolt Bor, William L Wilson, M C Smayling, Frank K Tittel, “Simulation of Coherent Multiple Imaging by means of Pupil Plane Filtering in Optical Microlithography.” J. Opt. Soc. Am. A 16: 1909-1914 (1999) [pdf]

1998

[28] Frank K Tittel, Miklos Erdelyi, Z L Horvath, Armen Kroyan, William L Wilson, M C Smayling, Zs Bor, Gabor Szabo, “Present and future trends in excimer-laser-based microlithography.” (1998)

[27] D Richter, David G Lancaster, Robert F Curl, W Neu, Frank K Tittel, “Compact mid-infrared trace gas sensor based on difference-frequency generation of two diode lasers in periodically poled LiNbO3.” Appl. Phys B – Special Issue: Environmental Trace Gas Detection using Laser Spectroscopy 67: 347-350 (1998) [pdf]

[26] K P Petrov, Robert F Curl, Frank K Tittel, “Compact laser difference-frequency spectrometer for multi-component trace gas detection.” Applied Physics B 66: 531-538 (1998) [pdf]

[25] David G Lancaster, D Richter, Robert F Curl, Frank K Tittel, “Real-time measurements of trace gases using a compact difference-frequency-based sensor at 3.5 μm.” Appl. Phys B Special Issue: Environmental Trace Gas Detection using Laser Spectroscopy 67: 339-345 (1998) [pdf]

[24] David G Lancaster, L Goldberg, J Koplow, Robert F Curl, Frank K Tittel, “Fibre coupled difference frequency generation utilising ytterbium-doped fibre amplifier and periodically poled LiNbO3.” Electron. Lett. 34: 1345-1347 (1998)

[23] A Kroyan, G P Watson, R A Cirelli, O Nalamasu, A E Novembre, Frank K Tittel, “Sub- Resolution Assist Feature Tolerances for Contact Windows Using 193 nm Lithography.” (1998)

[22] Armen Kroyan, Marc D Levenson, Frank K Tittel, “Coping with the Impact of Lens Aberrations in the Context of Wavefront Engineering.” (1998)

[21] L Goldberg, David G Lancaster, J Koplow, Robert F Curl, Frank K Tittel, “Mid-IR DFG source pumped by a 1.1 μm/1.5 μm dual wavelength fiber amplifier for trace gas detection.” Optics Letters 23: 1517-1519 (1998) [pdf]

[20] Miklos Erdelyi, Zsolt Bor, Gabor Szabo, Frank K Tittel, “Enhanced Microlithography using Coated Objectives and Image Duplication.” (1998)

1997

[19] Th Toepfer, K P Petrov, Y Mine, J Jundt, Robert F Curl, Frank K Tittel, “Room Temperature Mid-Infrared Laser Sensor for Trace Gas Detection.” Applied Optics 36: 8042-8049 (1997) [pdf]

[18] K P Petrov, S Waltman, E J Dlugokencky, M Arbore, M M Fejer, Frank K Tittel, L Hollberg, “Precise measurement of CH4 in natural air samples using diode-pumped 3.4 μm difference-frequency source.” Applied Physics B 64: 567-571 (1997)

[17] Y Mine, N Melander, D Richter, David G Lancaster, K P Petrov, Robert F Curl, Frank K Tittel, “Detection of formaldehyde using mid-infrared difference frequency generation.” Applied Physics B 65: 771-774 (1997) [pdf]

[16] Z L Horvath, Miklos Erdelyi, Gabor Szabo, Zsolt Bor, Frank K Tittel, Joseph R Cavallaro, “Generation of zero order Bessel beams with Fabry-Perot interferometer.” (1997)

[15] Miklos Erdelyi, Gabor Szabo, Zsolt Bor, Frank K Tittel, Joseph R Cavallaro, “Generation of Nondiffracting Bessel Beams with Fabry-Perot Interferometer.” JOSA A 14: 3009-3013 (1997)

[14] Miklos Erdelyi, Z L Horvath, Gabor Szabo, Zsolt Bor, Frank K Tittel, Joseph R Cavallaro, M C Smayling, “Generation of Diffraction-Free Beams for Applications in Optical Microlithography.” J. Vac. Sci. Technol. B 15: 287-292 (1997) [pdf]

[13] Miklos Erdelyi, Z L Horvath, Zsolt Bor, Gabor Szabo, Joseph R Cavallaro, M C Smayling, Frank K Tittel, “Optical Microlithography with Nearly Nondiffracting Beams.” (1997)

[12] Joseph R Cavallaro, C Sengupta, William L Wilson, Frank K Tittel, “Automated Evaluation of Critical Features in VLSI Layouts Based on a Photolithographic Simulation.” IEEE Trans. on Semiconductor Manufacturing 10: 482-494 (1997)

1996

[11] Frank K Tittel, J R Cavallaro, M C Smayling, Miklos Erdelyi, Gabor Szabo, Zsolt Bor, “High Resolution Microlithography Applications of Deep-UV Excimer Lasers.” (1996)

[10] K P Petrov, Robert F Curl, L Goldberg, “CW tunable 8.7 μm spectroscopic source pumped by fiber-coupled communications lasers.” Optics Letters 21: 1451-1453 (1996)

[9] Miklos Erdelyi, Zsolt Bor, Gabor Szabo, Joseph R Cavallaro, M C Smayling, Frank K Tittel, William L Wilson, “Sub-quarter micron contact hole fabrication using annular illumination.” (1996)

[8] Wade C Eckoff, Roger S Putnam, Shunxi Wang, Robert F Curl, Frank K Tittel, “A Continuously Tunable Long Wavelength CW IR Source for High-Resolution Spectroscopy and Trace Gas Detection.” Applied Physics B 63: 437-437 (1996)

1995

[7] K P Petrov, S Waltman, Robert F Curl, Frank K Tittel, L Hollberg, “Detection of Methane in Air Using Diode-Laser-Pumped Difference-Frequency Generation near 3.2 μm.” Appl Phys B 61: 553-558 (1995) [link]

[6] M Kido, Gabor Szabo, J R Cavallaro, William L Wilson, M C Smayling, Frank K Tittel, “Submicron Optical Lithography Based on a New Interferometric Phase Shifting Technique.” Jpn. J. Appl. Phys. 34: 4269-4273 (1995)

[5] Miklos Erdelyi, Zsolt Bor, Frank K Tittel, J R Cavallaro, Gabor Szabo, William L Wilson, C Sengupta, “Enhanced Microlithography Using Combined Phase Shifting and Off-Axis Illumination.” Jap. J. Appl. Physics 34: L1629-L1631 (1995)

1993

[4] U Simon, Frank K Tittel, L Goldberg, “Difference Frequency Mixing in AgGaS2 by Using a High Power GaAlAs tapered Semiconductor Amplifier at 860 nm.” Optics Letters 18: 1931-1933 (1993)

[3] U Simon, C E Miller, C C Bradley, R G Hulet, Robert F Curl, Frank K Tittel, “Difference Frequency Generation in AgGaS 2 Using Single-Mode Diode Laser Pump Sources.” Optics Letters 18: 1062-1064 (1993)

[2] U Simon, Z Benko, M W Sigrist, Robert F Curl, Frank K Tittel, “Design Considerations of an Infrared Spectrometer Based on Difference Frequency Generation in AgGaSe2.” Applied Optics 32: 6650-6655 (1993)

1992

[1] A H Hielscher, C E Miller, D C Bayard, K P Smolka, Robert F Curl, Frank K Tittel, “Optimization of a Mid-Infrared High Resolution Difference Frequency Laser Spectrometer.” J. Opt. Soc. Am. B 9: 1962-1967 (1992)