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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 5 — Feb. 10, 2013
  • pp: 1054–1065

Compact echelle spectrometer for occultation sounding of the Martian atmosphere: design and performance

Oleg Korablev, Franck Montmessin, Alexander Trokhimovsky, Anna A. Fedorova, Alexander V. Kiselev, Jean-Loup Bertaux, Jean-Pierre Goultail, Denis A. Belyaev, Alexander V. Stepanov, Andrei Yu. Titov, and Yurii K. Kalinnikov  »View Author Affiliations


Applied Optics, Vol. 52, Issue 5, pp. 1054-1065 (2013)
http://dx.doi.org/10.1364/AO.52.001054


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Abstract

The echelle spectrometer TIMM-2 is the instrument developed for the unsuccessful Russian mission Phobos-Grunt. The instrument was dedicated to solar occultation studies of the Martian atmosphere by measuring the amount of methane, by sensitive measuring of other minor constituents, and by profiling the D / H ratio and the aerosol structure. The spectral range of the instrument is 2300–4100 nm, the spectral resolving power λ / Δ λ exceeds 25,000, and the field of view is 1.5 × 21 arc min . The spectra are measured in narrow spectral intervals, corresponding to discreet diffraction orders. One measurement cycle includes several spectral intervals. To study the vertical profiles of aerosol, the instrument incorporates four photometers in the UV to near-IR spectral range. The mass of the instrument is 2800 g, and its power consumption is 12 W. One complete flight model remains available after the Phobos-Grunt launch. We discuss the science objectives of the occultation experiment for the case of Mars, the implementation of the instrument, and the results of ground calibrations.

© 2013 Optical Society of America

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.6340) Spectroscopy : Spectroscopy, infrared
(350.1270) Other areas of optics : Astronomy and astrophysics
(120.6085) Instrumentation, measurement, and metrology : Space instrumentation
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: November 7, 2012
Manuscript Accepted: December 19, 2012
Published: February 8, 2013

Citation
Oleg Korablev, Franck Montmessin, Alexander Trokhimovsky, Anna A. Fedorova, Alexander V. Kiselev, Jean-Loup Bertaux, Jean-Pierre Goultail, Denis A. Belyaev, Alexander V. Stepanov, Andrei Yu. Titov, and Yurii K. Kalinnikov, "Compact echelle spectrometer for occultation sounding of the Martian atmosphere: design and performance," Appl. Opt. 52, 1054-1065 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-5-1054

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