Refractive indices of liquids in the infrared spectral region

Maria V. Petrova; Audrei G. Plyakhin; Michael N. Tolstoy; Paul N. Robb; Robert D. Sigler; David F. Leary

doi:10.1117/12.188006

30 September 1994 Refractive indices of liquids in the infrared spectral region

Maria V. Petrova, Audrei G. Plyakhin, Michael N. Tolstoy, Paul N. Robb, Robert D. Sigler, David F. Leary

Proceedings Volume 2263, Current Developments in Optical Design and Optical Engineering IV; (1994) https://doi.org/10.1117/12.188006
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

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.

Citation Download Citation

Maria V. Petrova, Audrei G. Plyakhin, Michael N. Tolstoy, Paul N. Robb, Robert D. Sigler, and David F. Leary "Refractive indices of liquids in the infrared spectral region", Proc. SPIE 2263, Current Developments in Optical Design and Optical Engineering IV, (30 September 1994); https://doi.org/10.1117/12.188006

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