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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 33, Iss. 24 — Aug. 20, 1994
  • pp: 5506–5508

Kalman filtering of tunable diode laser spectrometer absorbance measurements

Haris Riris, Clinton B. Carlisle, and Russell E. Warren  »View Author Affiliations


Applied Optics, Vol. 33, Issue 24, pp. 5506-5508 (1994)
http://dx.doi.org/10.1364/AO.33.005506


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Abstract

A recursive Kalman time-series filter was applied to absorbance measurements obtained with a tunable diode laser spectrometer. The spectrometer uses frequency modulation spectroscopy and a near-infrared diode laser operating at 1.604 μm to monitor the CO2-vapor concentration in a 30-cm absorption cell. The Kalman filter enhanced the signal-to-noise ratio of the spectrometer by an order of magnitude when an absorbance of 6 × 10−5 was monitored.

© 1994 Optical Society of America

History
Original Manuscript: December 14, 1993
Revised Manuscript: March 21, 1994
Published: August 20, 1994

Citation
Haris Riris, Clinton B. Carlisle, and Russell E. Warren, "Kalman filtering of tunable diode laser spectrometer absorbance measurements," Appl. Opt. 33, 5506-5508 (1994)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-33-24-5506

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