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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 6 — Feb. 20, 1990
  • pp: 798–801

Sampling of diode laser spectra by a confocal etalon fringe pattern

Christophe Nicolas and Jonathan C. Sproul  »View Author Affiliations


Applied Optics, Vol. 29, Issue 6, pp. 798-801 (1990)
http://dx.doi.org/10.1364/AO.29.000798


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Abstract

This paper presents an original method of IR diode laser spectra sampling, where the sampling is defined by the fringe pattern of a confocal etalon. The laser wave number is scanned between two peaks of the Airy type function and is temporarily locked to each peak, allowing integration of the spectroscopic data on another optoelectronic channel. This method is well adapted to broad absorption line studies, provided the line can afford the relatively large sample spacing (0.01 cm−1). A monitoring experiment for both pressure and HBr concentration in halogen bulbs is presented to show an example of the method’s use.

© 1990 Optical Society of America

History
Original Manuscript: June 22, 1989
Published: February 20, 1990

Citation
Christophe Nicolas and Jonathan C. Sproul, "Sampling of diode laser spectra by a confocal etalon fringe pattern," Appl. Opt. 29, 798-801 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-6-798

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