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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 6 — Feb. 20, 2009
  • pp: 1119–1127

Fast spectrometer for ground-based observations of OH rotational temperature

Hidehiko Suzuki, Makoto Taguchi, Yoshikazu Kanai, and Norihide Takeyama  »View Author Affiliations


Applied Optics, Vol. 48, Issue 6, pp. 1119-1127 (2009)
http://dx.doi.org/10.1364/AO.48.001119


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Abstract

A sensitive spectrometer has been developed for observing the hydroxyl airglow in the polar region. This spectrometer is designed to acquire spectra of the Meinel OH 8-4 band, which has the advantage of being relatively free of contamination from auroral emissions. The spectrometer consists of a fast optical system, a transmission plane grating, and a cooled CCD image sensor. The spectrometer can acquire spectra between 900 and 987 nm , from which the OH rotational temperature can be derived with an accuracy of ± 1.9 to 2.5 K for a 1 min exposure. The spectrometer specifications and initial measurement results for the OH rotational temperature and intensity at Syowa Station ( 69.0 ° S , 39.6 ° E ) in Antarctica are presented.

© 2009 Optical Society of America

OCIS Codes
(000.2170) General : Equipment and techniques
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(040.1520) Detectors : CCD, charge-coupled device
(050.1950) Diffraction and gratings : Diffraction gratings
(300.0300) Spectroscopy : Spectroscopy

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: September 9, 2008
Revised Manuscript: January 22, 2009
Manuscript Accepted: January 29, 2009
Published: February 17, 2009

Citation
Hidehiko Suzuki, Makoto Taguchi, Yoshikazu Kanai, and Norihide Takeyama, "Fast spectrometer for ground-based observations of OH rotational temperature," Appl. Opt. 48, 1119-1127 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-6-1119

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