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Proceedings Paper

Refractive indices of liquids in the infrared spectral region
Author(s): Maria V. Petrova; Audrei G. Plyakhin; Michael N. Tolstoy; Paul N. Robb; Robert D. Sigler; David F. Leary
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Paper Abstract

Liquids have not found widespread application in optical design for a number of reasons, one of which is the fact that index of refraction data for liquids is available for only very few compounds, and the data that do exist are only in the visible spectral region. In this paper we report on the results of our joint project for measuring the refractive index of liquids in the infrared (IR) spectral region. A number of liquids have transmission passbands that extend well into the IR, to wavelengths of 10 micrometers and beyond. Many of these liquids also have abnormal dispersion and are suitable for low-cost apochromatic lens designs in the infrared. Using these materials, design options that significantly reduce the cost and weight of IR imaging systems become available. These measurements have been made at the Vavilov State Optical Institute, Saint Petersburg, Russia, in collaboration with the Lockheed Palo Alto Research Laboratory.

Paper Details

Date Published: 30 September 1994
PDF: 5 pages
Proc. SPIE 2263, Current Developments in Optical Design and Optical Engineering IV, (30 September 1994); doi: 10.1117/12.188006
Show Author Affiliations
Maria V. Petrova, S.I. Vavilov State Optical Institute (Russia)
Audrei G. Plyakhin, S.I. Vavilov State Optical Institute (Russia)
Michael N. Tolstoy, S.I. Vavilov State Optical Institute (Russia)
Paul N. Robb, Lockheed Palo Alto Research Lab. (United States)
Robert D. Sigler, Lockheed Palo Alto Research Lab. (United States)
David F. Leary, Lockheed Palo Alto Research Lab. (United States)


Published in SPIE Proceedings Vol. 2263:
Current Developments in Optical Design and Optical Engineering IV
Robert E. Fischer; Warren J. Smith, Editor(s)

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