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Submillimeter Fourier-Transform Spectrometer Measurements of Atmospheric Opacity Above Mauna Kea

Serabyn, E. and Weisstein, E. W. and Lis, D. C. and Pardo, J. R. (1998) Submillimeter Fourier-Transform Spectrometer Measurements of Atmospheric Opacity Above Mauna Kea. Applied Optics, 37 (12). pp. 2185-2198. ISSN 0003-6935. doi:10.1364/AO.37.002185.

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We present accurately calibrated submillimeter atmospheric transmission spectra obtained with a Fourier-transform spectrometer at the Caltech Submillimeter Observatory on Mauna Kea, Hawaii. These measurements cover the 0.9–0.3-mm wavelength range and are the first in a series aimed at defining the terrestrial long-wave atmospheric transmission curve. The 4.1-km altitude of the Mauna Kea site provides access to extremely low zenith water-vapor columns, permitting atmospheric observations at frequencies well above those possible from sea level. We describe the calibration procedures, present our first well-calibrated transmission spectra, and compare our results with those of a single-layer atmospheric transmission model, AT. With an empirical best-fit continuum opacity term included, this simple single-layer model provides a remarkably good fit to the opacity data for H_2O line profiles described by either van Vleck–Weisskopf or kinetic shapes.

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Lis, D. C.0000-0002-0500-4700
Additional Information:© 1998 Optical Society of America. Received 12 February 1997; revised manuscript received 3 November 1997. This study was supported by National Science Foundation grants AST96-15025 and ATM-9616766. We thank T. G. Phillips for a critical reading of the manuscript and R. R. Gamache and A. Bauer for helpful discussions.
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Subject Keywords:Atmospheric and oceanic optics
Issue or Number:12
Classification Code: * OCIS Codes: * (010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
Record Number:CaltechAUTHORS:20090925-114211604
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Official Citation:E. Serabyn, E. W. Weisstein, D. C. Lis, and J. R. Pardo, "Submillimeter Fourier-Transform Spectrometer Measurements of Atmospheric Opacity Above Mauna Kea," Appl. Opt. 37, 2185-2198 (1998)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:16061
Deposited By: George Porter
Deposited On:30 Sep 2009 19:18
Last Modified:08 Nov 2021 23:24

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