Applications
Carbon Dioxide Isotope Analyzer
"Carbon isotope analysis of discrete CO2 samples ranging from 300 ppmv to 100% using cavity enhanced laser absorption" Wm. Ian McAlexander, Raymond Fellers, Thomas Owano, Doug Baer European Geophysical Union General Assembly, May 3 - 7, 2010 Cavity Enhanced Spectroscopy Theory
"Sensitive absorption measurements in the near-infrared region using off-axis integrated-cavity-output spectroscopy" D.S. Baer, J.B. Paul, M. Gupta, A. O'Keefe Applied Physics B: Lasers and Optics, Vol. 75, Numbers 2-3, September 2002 "Cavity-enhanced spectroscopy in optical fibers" M. Gupta, Hong Jiao, and Anthony O'Keefe Optics Letters, Vol. 27, Issue 21, pp. 1878-1880 "Ultrasensitive Absorption Spectroscopy with a High-Finesse Optical Cavity and Off-Axis Alignment" Joshua B. Paul, Larry Lapson, and James G. Anderson Applied Optics, Vol. 40, Issue 27, pp. 4904-4910 "cw integrated cavity output spectroscopy" Anthony O’Keefe, James J Chemical Physics Letters, Vol. 307, issue 5-6, pp. 343-349 "Integrated cavity output analysis of ultra-weak absorption" Anthony O’Keefe Chemical Physics Letters, Vol. 293 (5-6), 331-6 (1998). "Ringdown Spectral Photography" James J. Scherer Chemical Physics Letters, Vol. 292, Issues 1-2, 31 July 1998, Pages 143-153 "Cavity ring down dye laser spectroscopy of jet-cooled metal clusters: Cu2 and Cu3" A. O’Keefe, J.J. Scherer, A.L. Cooksy, R. Sheeks, J. Heath, and R.J. Saykally Chemical Physics Letters, Vol. 172, pages 215-218, (1990) "Trace Gas Analysis by Pulsed Laser Absorption Spectroscopy" Anthony O’Keefe and Olive Lee American Laboratory, December, 1989 "Cavity ring-down optical spectrometer for absorption measurements using pulsed laser sources" Anthony O'Keefe and David A.G. Deacon Review of Scientific Instruments, (ISSN 0034-6748), vol. 59, Dec. 1988 Greenhouse Gases (methane, carbon dioxide, water vapor)
"LGR Analyzers quantify methane in Deepwater Horizon oil spill in Gulf of Mexico"
"Extensive Methane Venting to the Atmosphere from Sediments of the East Siberian Arctic Shelf"
Science, Vol. 327. no. 5970, pp. 1246 - 1250 DOI: 10.1126/science.1182221 "Methane emissions inventory verification in southern California" Ying-Kuang Hsu, Tony VanCuren, Seong Park, Chris Jakober, Jorn Herner, Michael FitzGibbon, Donald R. Blake, David D. Parrish Atmospheric Environment, vol. 44 (2010) 1–7 "Los Gatos Research Helps Investigate Global Warming Effects" LGR comes in at 1:28 in the video "Soil and plant contributions to the methane flux balance of a subalpine forest" D. R. Bowling, J. B. Miller, M. E. Rhodes, S. P. Burns, R. K. Monson, and D. Baer BGD, 2009, Vol. 6, pp. 4765-4801 "In Situ Measurements of Atmospheric Methane at Lake Untersee, Antarctica" Dale Andersen Spaceref.com, Status Report "Large tundra methane burst during onset of freezing" Mastepanov Mikhail; Sigsgaard Charlotte; Dlugokencky Edward J; Houweling Sander; Ström Lena; Tamstorf Mikkel P; Christensen Torben R Nature, 2008; 456(7222): 628-30 "Freezing tundra gives off methane" Torben Christensen http://environmentalresearchweb.org/cws/article/research/36977 "A compact and stable eddy covariance set-up for methane measurements using off-axis integrated cavity output spectroscopy" D. M. D. Hendriks, A. J. Dolman, M. K. van de Molen, and J. van Huissteden Discussion EGU Atmos. Chem. Phys. Discuss., 7, 11587–11619, 2007 Liquid Water Isotope Analyzer
"High-Frequency Field Deployable Isotope Analyzer for Hydrological Applications" Elena Berman, Manish Gupta, Chris Gabriell, Tina Garland, Jeff McDonnell European Geophysical Union, 2010, May 3 - 7, 2010 "Discrepencies between Isotope Ratio Infrared Spectroscopy and Isotope Ratio Mass Spectronmetry for the Stable Isotope Analysis of Plant and Soil Waters" Adam G. West, Gregory R. Goldsmith, Paul D. Brooks, Todd E. Dawson Rapid Communications in Mass Spectrometry, 24(14: 1948-1954 "High-frequency field-deployable isotope analyzer for hydrological applications " Manish Gupta, Oregon State University The Consortium of Universities for the Advancement of Hydrologic Science, Incorporated (CUAHSI) , Cyberseminars, March 12, 2010 "High-Frequency Field Deployable Isotope Analyzer for Hydrological Applications" Manish Gupta, Elena Berman, Chris Gabrielli, Tina Garland, J. McDonnell Water Resources Research, Water Resour. Res., 45, W10201, doi:10.1029/2009WR008265 "Installing, Running, and Maintaining the Liquid-Water Stable Isotope Analyzer" P.K.Aggarwal, T.Kurttas, B.Newmann, A.Tanweer IAEA, Water Resources Program "Laser Spectroscopic Analysis of Liquid Water Samples for Stable Hydrogen and Oxygen Isotopes" International Atomic Energy Commission IAEA, Training Course Series 35 "High-Precision Laser Spectroscopy D/H and 18O/16O Measurements of Microliter Natural Water Samples" G. Lis, L. I. Wassenaar, and M. J. Hendry Anal. Chem., Vol, 80 (1), 287-293, 2008 "High Resolution Pore Water δ2H and δ18O Measurements by H2O(liquid)-H2O(vapor) Equilibration" L.I. Wassenaar, M.J . Hendry, V.L. Chostner, and G.P. Lis Environmental Science and Technology, 2008, 42 (24), pp 9262–9267 "Can hydrogen isotopic ratios in plant lipids provide a quantitative proxy for aridity?" Feakins S., Sessions A. Pacific Climate Workshop 2007 May 13-16; Asilomar State Conference Grounds, Pacific Grove, CA "Can lipid D/H ratios be a quantitative proxy for aridity?" Feakins S., Sessions A. ACS Summer Meeting, 2007 August 19-23, Boston MA "Memory effects in compound-specific D/H analysis by GC-P-IRMS" Wang, Y.; Sessions, A. L. AGU Fall Meeting, 2007 December 10-14, Abstract B13A-0889 Methane Carbon Isotope Analyzer
"Measurements of 13C-12C in CH4 from anaerobic digesters" Frank Keppler, Stephan Laukenmann, Jennifer Rinne, Hauke Heuwinkel, Markus Greule, Michael Whiticar, adn Jos Lelieveld Environ. Sci. Technology, DOI: 10.1021/es100460d "Development of a Field-Deployable Methane Carbon Isotope Analyzer" Feng Dong and Douglas Baer Geophysical Research Abstracts, , Vol. 12, EGU2010-5583, 2010 N2O/CO Analzyer
"Development of a Fast, High-Precision Analyzer for N2O and CO Measurements in Field Applications" Robert Provençal, Yonggang He, Raymond Fellers, Thomas Owano, Doug Baer European Geophysical Union General Assembly, May 3 - 7, 2010 "Cavity-enhanced quantum-cascade laser-based instrument for carbon monoxide measurements" R. Provencal, M. Gupta, T. G. Owano, D. S. Baer, K. N. Ricci, A. O'Keefe, and J. R. Podolske Applied Optics, Vol. 44, 6712-6717 (2005) Other
"Direct detection of acetylene in air by continuous wave cavity ring-down spectroscopy" F. M. Schmidt, O. Vaittinen, M. Metsälä, P. Kraus and L. Halonen Applied Physics B: Lasers and Optics, 10.1007/s00340-010-4027-5 "Development of a rapid on-line acetylene sensor for industrial hydrogenation reactor optimization using off-axis integrated cavity output spectroscopy" Le, L.D. , Tate, J.D. , Seasholtz, M.B. , Gupta, M., Owano, T., Baer, D., Knittel, T., Cowie, A., Zhu, J. Applied Spectroscopy, Volume 62, Issue 1, January 2008, Pages 59-65 "Quantitative determination of the Q(1) quadrupole hydrogen absorption in the near infrared via off-axis ICOS" M. Gupta, T. Owano, D. S. Baer and Anthony O’Keefe Chemical Physics Letters, Vol. 418, Issues 1-3, 25 January 2006, Pages 11-14 "Off-axis cavity ringdown spectroscopy: application to atmospheric nitrate radical detection" James D. Ayers, Randy L. Apodaca, William R. Simpson, and Douglas S. Baer Applied Optics, Vol. 44, No. 33, 20 November 2005 "Quantitative Detection of Singlet O2 by Cavity-Enhanced Absorption" Skip Williams; Manish Gupta; Thomas Owano; Douglas S. Baer; Anthony O’Keefe; David R. Yarkony; Spiridoula Matsika Optics Letters, Volume 29, Issue 10, pp. 1066-1068 (2004). "Quantitative determination of singlet oxygen density and temperature for Oxygen-Iodine Laser Applications" M. Gupta, Thomas Owano, Douglas S. Baer, Anthony O’Keefe and Skip Williams Chemical Physics Letters, Volume 400, Issues 1-3, 11 December 2004, Pages 42-46 "Multiplex integrated cavity output spectroscopy of cold PAH cations" Ludovic Biennier, Farid Salama, Manish Gupta and Anthony O'Keefe Chemical Physics Letters, Volume 387, Issues 4-6, 1 April 2004, Pages 287-294 "Broadband Ringdown Spectral Photography" J. J. Scherer, J. B. Paul, H. Jiao, and A. O’Keefe Applied Optics, Vol. 40, 6725-6732 (2001) Water Vapor Isotope Measurement System
"Development and Deployment of a Water Isotope Analyzer for Accurate, Continuous and High-Frequency Measurements of δ18O and δ2H in Liquid Water and Water Vapor" Feng Dong and Doug Baer European Geophysical Union, May 3 - 7, 2010 |
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