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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 17 — Sep. 1, 1983
  • pp: 2655–2664

Balloon-borne diode-laser absorption spectrometer for measurements of stratospheric trace species

Robert T. Menzies, Christopher R. Webster, and E. David Hinkley  »View Author Affiliations


Applied Optics, Vol. 22, Issue 17, pp. 2655-2664 (1983)
http://dx.doi.org/10.1364/AO.22.002655


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Abstract

A stratospheric trace species measurement concept is presented which utilizes tunable infrared diode lasers as sources for sensitive in situ absorption spectroscopy in selected wavelength regions. As an embodiment of this concept, the Balloon-Borne Laser In Situ Sensor (BLISS) is a high-resolution absorption spectrometer designed to provide measurements of the concentrations of stratospheric species and their diurnal variations. The instrument uses second-harmonic detection of the absorption of tunable diode laser (TDL) radiation (3–30 μm) in a 1-km path length defined by a retroreflector lowered 0.5 km below the BLISS gondola. A He–Ne laser and co-aligned TV camera with CID imaging are used for retroreflector tracking under microprocessor control. Four TDLs will provide simultaneous measurements of molecular species in the 20–40-km altitude range, the predicted minimum-detectable mixing ratio at 30 km being typically ≤0.1 ppbv.

© 1983 Optical Society of America

History
Original Manuscript: February 19, 1983
Published: September 1, 1983

Citation
Robert T. Menzies, Christopher R. Webster, and E. David Hinkley, "Balloon-borne diode-laser absorption spectrometer for measurements of stratospheric trace species," Appl. Opt. 22, 2655-2664 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-17-2655

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