Research in astrophysics gives new optical materials

Arne Rosen; E. Westin; Daniel Oestling

doi:10.1117/12.196120

28 November 1994 Research in astrophysics gives new optical materials

Arne Rosen, E. Westin, Daniel Oestling

Author Affiliations +

Proceedings Volume 2284, Fullerenes and Photonics; (1994) https://doi.org/10.1117/12.196120
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The discovery in 1985 by Kroto, Heath, O'Brien, Curl and Smalley of the existence of a new form of carbon known as Buckminsterfullerene or C₆₀ initiated a new field of carbon research. The development of the field was however rather limited and it was not until Kratschmer, Lamb, Fostiropoulos and Huffman developed a technique for production of macroscopic amounts that a number of new applications became possible. Originally Kratschmer and Huffman had the intention to explain an observed strong extinction from interstellar dust and produced a special carbon soot with a characteristic optical absorption known as `the camel hump smoke'. The observed absorption was in rather good agreement with excitation energies and oscillator strengths for C₆₀ evaluated by Larsson, Volosov and Rosen (one of the authors) in 1987, using the semi-empirical CNDO/S-CI method. This good agreement seems to have encouraged Kratschmer and Huffman to continue with the development of the technique. This paper gives a historical overview and a presentation of recent calculations of optical spectra for C₆₀ in the gas phase and the dielectric constants for films of C₆₀ with a comparison with experimental data.

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Arne Rosen, E. Westin, and Daniel Oestling "Research in astrophysics gives new optical materials", Proc. SPIE 2284, Fullerenes and Photonics, (28 November 1994); https://doi.org/10.1117/12.196120

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