The application of quasi-phase-matched parametric light sources to practical infrared chemical sensing systems |
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| Authors: | TJ Kulp SE Bisson RP Bambha TA Reichardt U-B Goers KW Aniolek DAV Kliner BA Richman KM Armstrong R Sommers R Schmitt PE Powers O Levi T Pinguet M Fejer JP Koplow L Goldberg TG McRae |
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| Institution: | (1) Sandia National Laboratories, Livermore, CA 94550-0969, USA, US;(2) Department of Physics, University of Dayton, Dayton, OH 45469-2314, USA, US;(3) E.L. Ginzton Laboratory, Stanford University, Stanford, CA 94305, USA, US;(4) Naval Research Laboratory, Washington, DC 20375-5672, USA, US;(5) Laser Imaging Systems, Punta Gorda, FL 33983, USA, US |
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| Abstract: | Quasi-phase-matched (QPM) materials allow the generation of spectroscopically useful infrared radiation in an efficient and
broadly tunable format. Here, we describe several applications of QPM-based light sources to remote and local chemical sensing.
The remote systems are gas imagers that employ a fiber-pumped continuous-wave optical parametric oscillator or a microlaser-pumped,
diode-seeded optical parametric amplifier as the illumination source. Technology described for local sensing includes a cavity
ring down spectrometer that employs a novel optical parametric generator–amplifier to achieve ≥350 cm-1 of contiguous tuning and a long-wave infrared light source based on QPM GaAs. In each case the use of QPM materials in conjunction
with effective pump sources instills simplicity and ruggedness into the sensing systems.
Received: 15 April 2002 / Revised version: 6 June 2002 / Published online: 12 September 2002
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ID="*"Corresponding author. Fax: +1-925/294-2595, E-mail: tjkulp@sandia.gov
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ID="**"Present address: Corning Inc., Corning, NY 14831, USA
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ID="*"Present address: Corning Inc., Corning, NY 14831, USA
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ID="**"Present address: Blue Leaf Networks, Sunnyvale, CA 94086, USA
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ID="***"Present address: Sandia National Laboratories, Albuquerque, NM 87185, USA |
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| Keywords: | PACS: 42 65 Yj 42 68 Wt 82 80 Gk |
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