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Applied Optics

Applied Optics


  • Vol. 10, Iss. 8 — Aug. 1, 1971
  • pp: 1892–1898

2.5-km Low-Temperature Multiple-Reflection Cell

D. Horn and G. C. Pimentel  »View Author Affiliations

Applied Optics, Vol. 10, Issue 8, pp. 1892-1898 (1971)

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A low-temperature multiple-pass White cell is described which can be operated at any temperature between 120 K and room temperature. The path length can be varied from 60 m up to 2540 m in 80-m steps. The four-row multiple reflection system, a modified White arrangement, is enclosed in an aluminum dewar and can be focused externally while cold. An approximate expression for the astigmatic image distortion in a cell of the described type is derived.

© 1971 Optical Society of America

Original Manuscript: March 8, 1971
Published: August 1, 1971

D. Horn and G. C. Pimentel, "2.5-km Low-Temperature Multiple-Reflection Cell," Appl. Opt. 10, 1892-1898 (1971)

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  1. The ir spectrometers were designed and constructed in the Chemistry Department and the Space Sciences Laboratory at the University of California, Berkeley. This instrument will be described in detail in a later publication. Mariners VI and VII were NASA missions managed by the Jet Propulsion Laboratory and directed by Project Manager H. M. Schurmeier.
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  6. A multiple-reflection cell with a 20-m optical path which would operate at 77 K was constructed in our laboratory by E. Valenzuela and K. C. Herr, providing experience valuable in our design of the cell described here.
  7. A. R. W. McKeller, N. Rich, V. Soots, Appl. Opt. 9, 222 (1970). [CrossRef]
  8. J. U. White, J. Opt. Soc. Am. 32, 285 (1942). [CrossRef]
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  11. A commercially available arc (Sylvania) was modified by adding a water-cooled envelope fitted with a salt window. After modification, the envelope was reevacuated and filled with argon to a pressure of 300 Torr.
  12. J. M. Bennett, E. J. Ashley, Appl. Opt. 4, 221 (1965). [CrossRef]
  13. This reflectometer was constructed by D. Horn and J. M. McAfee using components from the 20-m multiple-reflection cell mentioned in Ref. 6.
  14. G. Hass, J. Opt. Soc. Am. 45, 945 (1955). [CrossRef]
  15. K. C. Herr, D. Horn, J. M. McAfee, G. C. Pimentel, Astron. J. 75, 883 (1970). [CrossRef]
  16. G. C. Pimentel et al., to be published.
  17. G. C. Pimentel et al., to be published.
  18. T. R. Reesor, J. Opt. Soc. Am. 41, 1059L (1951). [CrossRef]

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