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Proceedings Paper

Glasses With High Nonlinear Refractive Indices
Author(s): Hiroyuki Nasu; James S. Lin; John Lau; J. D. Mackenzie
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Paper Abstract

In the past, a great deal of theoretical and experimental efforts have been devoted to the development of glasses with low nonlinear refractive index mainly because of laser requirements. Recently, however, interests in rapid self-induced refractive index changes in materials have focussed the importance of high nonlinear refractive indices. This report is concerned with the theoretical and experimental development in the preparation of glasses with very high nonlinear refractive index. In glasses, the average observed value of nonlinear refractive index, n2, is about 0.01x 10-11 esu. Changes in n2 are dependent on the third order electronic polarization which in turn is governed by (a) the linear electronic polarization (b) the absorption frequency and (c) the product of the density of polarizable atoms or molecules and oscillator strength. With these consideration, theoretical calculation of n2 have been made for glass samples, and discussed with their IR and visible spectra.

Paper Details

Date Published: 26 December 1984
PDF: 6 pages
Proc. SPIE 0505, Advances in Optical Materials, (26 December 1984); doi: 10.1117/12.964630
Show Author Affiliations
Hiroyuki Nasu, University of California (United States)
James S. Lin, University of California (United States)
John Lau, University of California (United States)
J. D. Mackenzie, University of California (United States)


Published in SPIE Proceedings Vol. 0505:
Advances in Optical Materials
Solomon Musikant, Editor(s)

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