Dr. Rafal Lewicki Profile

Dr. Rafal Lewicki

Postdoc Researcher at Princeton Univ

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Author

Publications (15)

Proceedings Article | 10 March 2016 Paper

Spectroscopic benzene detection using a broadband monolithic DFB-QCL array

Rafał Lewicki, Mark Witinski, Biao Li, Gerard Wysocki

Proceedings Volume 9767, 97671T (2016) https://doi.org/10.1117/12.2213696

KEYWORDS: Spectroscopy, Quantum cascade lasers, Molecules, Absorption, Laser spectroscopy, Tunable lasers, Molecular lasers, Molecular spectroscopy, Mid-IR, Absorption spectroscopy, Sensors, Photodetectors, Prototyping

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Proceedings Article | 8 February 2015 Paper

Quantum cascade laser-based multipass absorption system for hydrogen peroxide detection

Yingchun Cao, Nancy Sanchez, Wenzhe Jiang, Wei Ren, Rafal Lewicki, Dongfang Jiang, Robert Griffin, Frank Tittel

Proceedings Volume 9370, 93700W (2015) https://doi.org/10.1117/12.2083729

KEYWORDS: Quantum cascade lasers, Absorption, Sensors, Modulation, Hydrogen, Atmospheric particles, Signal detection, Atmospheric sensing, Spectroscopic atmospheric monitoring techniques, Infrared detectors

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Proceedings Article | 4 February 2013 Paper

CW DFB RT diode laser based sensor for trace-gas detection of ethane using novel compact multipass gas absorption cell

Mohammad Jahjah, Rafal Lewicki, Frank Tittel, Karol Krzempek, Przemyslaw Stefanski, Stephen So, David Thomazy

Proceedings Volume 8631, 86312G (2013) https://doi.org/10.1117/12.2004528

KEYWORDS: Sensors, Semiconductor lasers, Absorption, Continuous wave operation, Spherical lenses, Mirrors, Modulation, Spectroscopy, Control systems, Signal detection

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Proceedings Article | 4 February 2013 Paper

Mid- infrared semiconductor laser based trace gas sensor technologies for environmental monitoring and industrial process control

Rafał Lewicki, Mohammad Jahjah, Yufei Ma, Frank Tittel, Przemyslaw Stefanski, Jan Tarka

Proceedings Volume 8631, 86310W (2013) https://doi.org/10.1117/12.2008701

KEYWORDS: Carbon monoxide, Sensors, NOx, Absorption, Quantum cascade lasers, Modulation, Mid-IR, Gas sensors, Continuous wave operation

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Proceedings Article | 23 February 2012 Paper

Real time detection of exhaled human breath using quantum cascade laser based sensor technology

Frank Tittel, Rafal Lewicki, Lei Dong, Kun Liu, Terence Risby, Steven Solga, Tim Schwartz

Proceedings Volume 8223, 82230E (2012) https://doi.org/10.1117/12.912273

KEYWORDS: Sensors, Quantum cascade lasers, Absorption, Electronics, Acoustics, Photoacoustic spectroscopy, Sensor technology, Quartz, Control systems, Molecules

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Proceedings Article | 21 January 2012 Paper

Sub-ppb detection of nitrogen dioxide with an external cavity quantum cascade laser

Rafal Lewicki, Kun Liu, Timothy Day, Frank Tittel

Proceedings Volume 8268, 82682H (2012) https://doi.org/10.1117/12.908402

KEYWORDS: NOx, Sensors, Magnetism, Signal detection, Spectroscopy, Quantum cascade lasers, Signal to noise ratio, Magnetic sensors, Molecules, Polarization

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Proceedings Article | 21 January 2012 Paper

Sensitive detection of nitric oxide using a 5.26 μm external cavity quantum cascade laser based QEPAS sensor

Frank Tittel, Lei Dong, Rafal Lewicki, George Lee, Adjani Peralta, Vincenzo Spagnolo

Proceedings Volume 8268, 82680F (2012) https://doi.org/10.1117/12.905621

KEYWORDS: Sensors, Quantum cascade lasers, Signal to noise ratio, Absorption, NOx, Near infrared, Modulation, Control systems, Electronics, Acoustics

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Proceedings Article | 7 May 2011 Paper

Infrared semiconductor laser based trace gas sensor technologies: recent advances and applications

Frank Tittel, Robert Curl, Lei Dong, Rafal Lewicki

Proceedings Volume 8073, 807310 (2011) https://doi.org/10.1117/12.887217

KEYWORDS: Sensors, Absorption, Carbon dioxide, Quantum cascade lasers, Signal detection, Gas sensors, Spectroscopy, Atmospheric chemistry, Modulation, Molecules

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Proceedings Article | 24 January 2011 Paper

Real time ammonia detection in exhaled human breath using a distributed feedback quantum cascade laser based sensor

Rafał Lewicki, Anatoliy Kosterev, David Thomazy, Terence Risby, Steven Solga, Timothy Schwartz, Frank Tittel

Proceedings Volume 7945, 79450K (2011) https://doi.org/10.1117/12.874887

KEYWORDS: Sensors, Absorption, Carbon dioxide, Quantum cascade lasers, Signal detection, Molecules, Modulation, Continuous wave operation, Quartz, Photoacoustic spectroscopy

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Proceedings Article | 24 January 2011 Paper

Faraday rotation spectroscopy of nitrogen dioxide based on a widely tunable external cavity quantum cascade laser

Christian Zaugg, Rafal Lewicki, Tim Day, Robert Curl, Frank Tittel

Proceedings Volume 7945, 79450O (2011) https://doi.org/10.1117/12.874819

KEYWORDS: NOx, Sensors, Magnetism, Molecules, Polarizers, Spectroscopy, Polarization, Signal detection, Quantum cascade lasers, Signal to noise ratio

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Proceedings Article | 23 January 2010 Paper

Quantum cascade laser absorption spectroscopy of UF6 at 7.74 um for analytical uranium enrichment measurements

Rafal Lewicki, Anatoliy Kosterev, Fatima Toor, Yu Yao, Claire Gmachl, Tracy Tsai, Gerard Wysocki, Xiaojun Wang, Mariano Troccoli, Mary Fong, Frank Tittel

Proceedings Volume 7608, 76080E (2010) https://doi.org/10.1117/12.841939

KEYWORDS: Quantum cascade lasers, Uranium, Absorption, Molecules, Absorption spectroscopy, Quartz, Sensors, Mid-IR, Spectroscopy, Laser spectroscopy

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Proceedings Article | 23 January 2010 Paper

Low-power laser-based carbon monoxide sensor for fire and post-fire detection using a compact Herriott multipass cell

David Thomazy, Stephen So, Anatoliy Kosterev, Rafal Lewicki, Lei Dong, Ardalan Sani, Frank Tittel

Proceedings Volume 7608, 76080C (2010) https://doi.org/10.1117/12.841926

KEYWORDS: Carbon monoxide, Sensors, Semiconductor lasers, Gas lasers, Absorption, Mirrors, Absorption spectroscopy, Collimators, Flame detectors, Combustion

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Proceedings Article | 26 January 2009 Paper

Continuous monitoring of nitric oxide at 5.33 um with an EC-QCL based Faraday rotation spectrometer: laboratory and field system performance

Gerard Wysocki, Rafal Lewicki, Xue Huang, Robert Curl, Frank Tittel

Proceedings Volume 7222, 72220M (2009) https://doi.org/10.1117/12.809354

KEYWORDS: Sensors, Spectroscopy, Magnetism, NOx, Quantum cascade lasers, Absorption, Signal detection, Prototyping, Signal to noise ratio, Spectroscopes

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Proceedings Article | 4 February 2008 Paper

Recent advances and applications of mid-infrared based trace gas sensor technology

F. Tittel, Y. Bakhirkin, A. Kosterev, R. Lewicki, S. So, G. Wysocki, R. Curl

Proceedings Volume 6900, 69000Z (2008) https://doi.org/10.1117/12.754722

KEYWORDS: Quantum cascade lasers, Absorption, Photoacoustic spectroscopy, Spectroscopy, Sensors, Quartz, Mid-IR, Laser spectroscopy, Acoustics, Gas sensors

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Proceedings Article | 12 October 2005 Paper

Multiwavelength fiber laser with acoustooptical Bragg frequency shifter

A. Budnicki, P. Kaczmarek, R. Lewicki, K. Abramski

Proceedings Volume 5958, 59580S (2005) https://doi.org/10.1117/12.622936

KEYWORDS: Fabry–Perot interferometers, Fiber lasers, Erbium, Optical filters, Telecommunications, Erbium lasers, Fiber Bragg gratings, Wavelength division multiplexing, Laser resonators, Semiconductor lasers

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Showing 5 of 15 publications

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