Phase-shift cavity ring-down spectroscopy using mid-IR light from a difference frequency generation PPLN waveguide

• Abstract

• Optics Letters, Vol. 35, Issue 9, pp. 1383-1385 (May 2010)
• Roberto Grilli, Luca Ciaffoni, Andrew J. Orr-Ewing

A fixed frequency aerosol albedometer

• Abstract
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• Optics Express, Vol. 16, Issue 3, pp. 2191-2205 (February 2008)
• Jonathan E. Thompson, Nick Barta, Danielle Policarpio, Richard DuVall

Difference frequency generation spectrometer for simultaneous multispecies detection

• Abstract
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• Optics Express, Vol. 18, Issue 26, pp. 27670-27681 (December 2010)
• Petter Weibring, Dirk Richter, J. G. Walega, Lars Rippe, Alan Fried

Compact and portable open-path sensor for simultaneous measurements of atmospheric N₂O and CO using a quantum cascade laser

• Abstract
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• Optics Express, Vol. 20, Issue 27, pp. 28106-28118 (December 2012)
• Lei Tao, Kang Sun, M. Amir Khan, David J. Miller, Mark A. Zondlo

Optical depth measurements by shadow-band radiometers and their uncertainties

• Abstract

• Applied Optics, Vol. 46, Issue 33, pp. 8027-8038 (November 2007)
• Mikhail D. Alexandrov, Peter Kiedron, Joseph J. Michalsky, Gary Hodges, Connor J. Flynn, Andrew A. Lacis

Development of a spectrometer using a continuous wave distributed feedback quantum cascade laser operating at room temperature for the simultaneous analysis of N₂O and CH₄ in the Earth's atmosphere

• Abstract

• Applied Optics, Vol. 47, Issue 9, pp. 1206-1214 (March 2008)
• Lilian Joly, Claude Robert, Bertrand Parvitte, Valery Catoire, Georges Durry, Guy Richard, Bernard Nicoullaud, Virginie Zéninari

Simultaneous estimation of aerosol cloud concentration and spectral backscatter from multiple-wavelength lidar data

• Abstract

• Applied Optics, Vol. 47, Issue 24, pp. 4309-4320 (August 2008)
• Russell E. Warren, Richard G. Vanderbeek, Avishai Ben-David, Jeffrey L. Ahl

Absorption and wavelength modulation spectroscopy of NO₂ using a tunable, external cavity continuous wave quantum cascade laser

• Abstract

• Applied Optics, Vol. 48, Issue 2, pp. 408-413 (January 2009)
• Andreas Karpf, Gottipaty N. Rao

Long optical cavities for open-path monitoring of atmospheric trace gases and aerosol extinction

• Abstract

• Applied Optics, Vol. 48, Issue 4, pp. B159-B171 (February 2009)
• Ravi M. Varma, Dean S. Venables, Albert A. Ruth, Uwe Heitmann, Eric Schlosser, Sophie Dixneuf

Development of an ambient pressure laser-induced fluorescence instrument for nitrogen dioxide

• Abstract

• Applied Optics, Vol. 48, Issue 18, pp. 3355-3361 (June 2009)
• Jeremy Parra, Linda A. George

Enhanced sensitivity for the detection of trace gases using multiple line integrated absorption spectroscopy

• Abstract

• Applied Optics, Vol. 48, Issue 27, pp. 5061-5066 (September 2009)
• Andreas Karpf, Gottipaty N. Rao

Enhancement of trace gas detection by integrating wavelength modulated spectra across multiple lines

• Abstract

• Applied Optics, Vol. 49, Issue 8, pp. 1406-1413 (March 2010)
• Andreas Karpf, Gottipaty N. Rao

High sensitivity detection of NO₂ employing cavity ringdown spectroscopy and an external cavity continuously tunable quantum cascade laser

• Abstract

• Applied Optics, Vol. 49, Issue 26, pp. 4906-4914 (September 2010)
• Gottipaty N. Rao, Andreas Karpf

External cavity tunable quantum cascade lasers and their applications to trace gas monitoring

• Abstract

• Applied Optics, Vol. 50, Issue 4, pp. A100-A115 (February 2011)
• Gottipaty N. Rao, Andreas Karpf

Real-time monitoring of benzene, toluene, and p-xylene in a photoreaction chamber with a tunable mid-infrared laser and ultraviolet differential optical absorption spectroscopy

• Abstract

• Applied Optics, Vol. 50, Issue 4, pp. A90-A99 (February 2011)
• Matthew T. Parsons, Ihor Sydoryk, Alan Lim, Thomas J. McIntyre, John Tulip, Wolfgang Jäger, Karen McDonald

Extremely sensitive detection of NO₂ employing off-axis integrated cavity output spectroscopy coupled with multiple-line integrated absorption spectroscopy

• Abstract

• Applied Optics, Vol. 50, Issue 13, pp. 1915-1924 (May 2011)
• Gottipaty N. Rao, Andreas Karpf

Mid-infrared point sensor for in situ monitoring of CO₂ emissions from large-scale engines

• Abstract

• Applied Optics, Vol. 51, Issue 31, pp. 7636-7642 (November 2012)
• Gerard Dooly, John Clifford, Gabriel Leen, Elfed Lewis

Measurement of tropospheric CO₂ and aerosol extinction profiles with Raman lidar

• Abstract

• Chinese Optics Letters, Vol. 6, Issue 3, pp. 157-160 (March 2008)
• Peitao Zhao, Yinchao Zhang, Lian Wang, Kaifa Cao, Jia Su, Shunxing Hu, Huanling Hu

Four-step DOAS calibration method of SO2 in flue gas

• Abstract

• Chinese Optics Letters, Vol. 7, Issue 6, pp. 539-541 (June 2009)
• Tao Zhou, Bin Liu, Changku Sun

Method of sensitivity improving in the non-dispersive infrared gas analysis system

• Abstract

• Chinese Optics Letters, Vol. 9, Issue 6, pp. 060101- (June 2011)
• Youwen Sun, Wenqing Liu, Shimei Wang, Shuhua Huang, Xiaoman Yu