Dr. Sheng Wu Profile

Dr. Sheng Wu

Research Leader in Sensors@PEER

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 5 May 2017 Presentation + Paper

MIR hollow waveguide (HWG) isotope ratio analyzer for environmental applications

Zhenyou Wang, Yan Zhuang, Andrei Deev, Sheng Wu

Proceedings Volume 10210, 1021009 (2017) https://doi.org/10.1117/12.2262914

KEYWORDS: Carbon monoxide, Carbon, Statistical analysis, Hollow waveguides, Digital image correlation, Soil science, Analytical research, Sensors, Absorption, Mid-IR

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Proceedings Article | 8 February 2015 Paper

Field test results of compound specific isotope analyzer based on quantum cascade lasers and hollow waveguide

Sheng Wu, Andrei Deev

Proceedings Volume 9370, 937010 (2015) https://doi.org/10.1117/12.2080737

KEYWORDS: Methane, Quantum cascade lasers, Spectroscopy, Hollow waveguides, Absorption, Mid-IR, Error analysis, Carbon dioxide, Gases, Continuous wave operation

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Proceedings Article | 31 January 2014 Paper

Latest improvements in field deployable compound specific isotope analyzer based on quantum cascade lasers and hollow waveguide

Sheng Wu, Andrei Deev

Proceedings Volume 8993, 89931W (2014) https://doi.org/10.1117/12.2041110

KEYWORDS: Spectroscopy, Calibration, Quantum cascade lasers, Infrared spectroscopy, Absorption, Hollow waveguides, Infrared radiation, Standards development, Gases, Mid-IR

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Proceedings Article | 31 January 2014 Paper

Polarization and isolation control for quantum cascade lasers in the mid-infrared

Sheng Wu, Andrei Deev

Proceedings Volume 8993, 89930U (2014) https://doi.org/10.1117/12.2041086

KEYWORDS: Mid-IR, Wave plates, Quantum cascade lasers, Polarization control, Polarizers, Polarization, Magnesium fluoride, Spectroscopy, Refractive index, Crystals

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Proceedings Article | 4 February 2013 Paper

A field-deployable compound-specific isotope analyzer based on quantum cascade laser and hollow waveguide

Sheng Wu, Andrei Deev

Proceedings Volume 8631, 86310D (2013) https://doi.org/10.1117/12.2003261

KEYWORDS: Quantum cascade lasers, Sensors, Capillaries, Calibration, Hollow waveguides, Chromatography, Optical filters, Spectroscopy, Chemical analysis, Absorption

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Proceedings Article | 21 January 2012 Paper

Quantum cascade laser enabled nano-liter polymer waveguide sensor

Sheng Wu, Andrei Deev

Proceedings Volume 8268, 82680D (2012) https://doi.org/10.1117/12.905899

KEYWORDS: Polymers, Quantum cascade lasers, Mid-IR, Waveguides, Polymer multimode waveguides, Absorption, Sensors, Liquids, Polymeric sensors, Chromatography

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Proceedings Article | 12 May 2011 Paper

Microsensors based on quantum cascade lasers

Sheng Wu, Andrei Deev, Yongchun Tang

Proceedings Volume 8032, 803206 (2011) https://doi.org/10.1117/12.884133

KEYWORDS: Quantum cascade lasers, Semiconductor lasers, Sensors, Absorption, Resonators, Spectroscopy, Doppler effect, Hollow waveguides, Continuous wave operation, Near infrared

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Proceedings Article | 24 January 2011 Paper

Quantum cascade laser sensors for online gas chromatography

Sheng Wu, Andrei Deev, Yongchun Tang

Proceedings Volume 7945, 794506 (2011) https://doi.org/10.1117/12.871398

KEYWORDS: Quantum cascade lasers, Semiconductor lasers, Sensors, Absorption, Doppler effect, Hollow waveguides, Spectroscopy, Resonators, Chromatography, Laser stabilization

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Proceedings Article | 20 September 2010 Paper

Applications of quantum cascade lasers in chemical sensing

Sheng Wu, Andrei Deev, Yongchun Tang

Proceedings Volume 7808, 780819 (2010) https://doi.org/10.1117/12.861117

KEYWORDS: Quantum cascade lasers, Semiconductor lasers, Absorption, Spectroscopy, Carbon dioxide, Hollow waveguides, Biological and chemical sensing, Sensors, Resonators, Resistance

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Proceedings Article | 23 January 2010 Paper

Novel broadband amplifier for mid-infrared semiconductor laser and applications in spectroscopy

Sheng Wu, Andrei Deev, Yongchun Tang, Zhenyu Li, Axel Scherer

Proceedings Volume 7608, 76080A (2010) https://doi.org/10.1117/12.841592

KEYWORDS: Quantum cascade lasers, Absorption, Semiconductor lasers, Spectroscopy, Optical amplifiers, Hollow waveguides, Carbon dioxide, Mid-IR, Resonators, Sensors

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Proceedings Article | 26 January 2009 Paper

Observation of whispering gallery modes in the mid-infrared with a quantum cascade laser: possible applications to nanoliter chemical sensing

Sheng Wu, Andrei Deev

Proceedings Volume 7222, 72220F (2009) https://doi.org/10.1117/12.817879

KEYWORDS: Quantum cascade lasers, Resonators, Sensors, Mid-IR, Prisms, Chromatography, Absorption, Biological and chemical sensing, Pulsed laser operation, Continuous wave operation

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Proceedings Article | 19 May 2006 Paper

Phase insensitive frequency modulation LIDAR for long distance CO₂ monitoring

Andrei Deev, Sheng Wu

Proceedings Volume 6214, 62140A (2006) https://doi.org/10.1117/12.665374

KEYWORDS: Phase shift keying, Frequency modulation, Carbon dioxide, Signal detection, Spectroscopy, Carbon monoxide, LIDAR, Modulation, Retroreflectors, Fermium

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Proceedings Article | 12 May 2006 Paper

All solid-state 193nm source with 5mJ pulse energy

Sheng Wu, Yicheng Wu, Peizhen Fu, Chuangtian Chen

Proceedings Volume 6216, 62160R (2006) https://doi.org/10.1117/12.665370

KEYWORDS: Crystals, Nonlinear crystals, Solid state physics, Deep ultraviolet, Optical parametric oscillators, Ferroelectric materials, Harmonic generation, Absorption, Polarization, Solid state lasers

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Proceedings Article | 12 May 2006 Paper

Accurate timing of passive Q-switch lasers

Sheng Wu

Proceedings Volume 6216, 62160S (2006) https://doi.org/10.1117/12.663684

KEYWORDS: Pulsed laser operation, Semiconductor lasers, Q switched lasers, Data transmission, Nd:YAG lasers, Crystals, Diodes, Q switching, Switching, Oscilloscopes

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Proceedings Article | 12 May 2006 Paper

High-quality efficient intracavity UV, IR generation in image rotated KTP OPO

Steven Palm, Sheng Wu

Proceedings Volume 6216, 62160Q (2006) https://doi.org/10.1117/12.665264

KEYWORDS: Optical parametric oscillators, Ferroelectric materials, Ultraviolet radiation, Second-harmonic generation, Infrared imaging, Image quality, Crystals, Energy efficiency, Combustion, Tunable lasers

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Proceedings Article | 10 February 2006 Paper

High quality efficient intracavity UV, IR generation in image rotated KTP OPO

Steven Palm, Sheng Wu

Proceedings Volume 6103, 61030D (2006) https://doi.org/10.1117/12.645499

KEYWORDS: Optical parametric oscillators, Ferroelectric materials, Ultraviolet radiation, Image quality, Second-harmonic generation, Infrared imaging, Crystals, Energy efficiency, Combustion, Tunable lasers

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Proceedings Article | 13 July 2004 Paper

Nanoscale optical imaging technique

Sheng Wu, Yongchun Tang

Proceedings Volume 5324, (2004) https://doi.org/10.1117/12.553705

KEYWORDS: Particles, Laser scattering, Microscopy, Macromolecules, Gold, Scattering, Molecules, In vivo imaging, Microscopes, Reflection

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Proceedings Article | 14 June 2004 Paper

Mixed type I and II BBO OPO pumped at 355 nm provides good beam quality, bandwidth, and efficiency

Sheng Wu, Vadym Kapinus, Geoffrey Blake

Proceedings Volume 5337, (2004) https://doi.org/10.1117/12.547976

KEYWORDS: Optical parametric oscillators, Polarization, Crystals, Mirrors, Wave plates, Prisms, Signal processing, Signal attenuation, Energy efficiency, Signal generators

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Proceedings Article | 17 January 2003 Paper

Direct writing of 40-nm features inside fused silica glass with oscillator ultrafast lasers

Sheng Wu, Zhaozhi Wan

Proceedings Volume 4984, (2003) https://doi.org/10.1117/12.477832

KEYWORDS: Silica, Ultraviolet radiation, Ultrafast phenomena, Glasses, Oscillators, Optical fibers, Chemical vapor deposition, Laser applications, Laser induced breakdown spectroscopy, Laser processing

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Proceedings Article | 23 March 2000 Paper

Multicrystal harmonic generator compensates for thermally induced phase mismatch

Sheng Wu, Geoffrey Blake, Sunny Sun, Henry Yu, John Ling

Proceedings Volume 3928, (2000) https://doi.org/10.1117/12.379920

KEYWORDS: Crystals, Ultraviolet radiation, Laser crystals, Nonlinear crystals, Harmonic generation, Computer simulations, Nd:YAG lasers, Absorption, Photonic crystals, Phase matching

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Proceedings Article | 23 March 2000 Paper

Two-photon absorption inside beta-BBO crystal during UV nonlinear optical conversion

Sheng Wu, Geoffrey Blake, Sunny Sun, Henry Yu

Proceedings Volume 3928, (2000) https://doi.org/10.1117/12.379921

KEYWORDS: Crystals, Ultraviolet radiation, Absorption, Photons, Nonlinear crystals, Second-harmonic generation, Harmonic generation, Visible radiation, Computer simulations, Deep ultraviolet

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Proceedings Article | 19 May 1998 Paper

Low-threshold BBO OPO with cylindrical focusing

Sheng Wu, Geoffrey Blake, Sunny Sun, Jiwu Ling

Proceedings Volume 3263, (1998) https://doi.org/10.1117/12.308346

KEYWORDS: Optical parametric oscillators, Crystals, Laser crystals, Nd:YAG lasers, Light sources, Visible radiation, Solid state physics, Chromium, Q switched lasers, Nonlinear crystals

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Proceedings Article | 19 May 1998 Paper

Efficient compound OPO cavity with narrow bandwidth

Sheng Wu, Geoffrey Blake, Sunny Sun, Jiwu Ling

Proceedings Volume 3263, (1998) https://doi.org/10.1117/12.308348

KEYWORDS: Optical parametric oscillators, Molybdenum, Mirrors, Optical components, Nd:YAG lasers, Signal processing, Sun, Planetary science, Spectral resolution, Spectroscopy

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