Abstract

The regions for which the Fresnel equations can be inverted to determine the optical constants, n and K, from polarized reflection measurements of a plane electromagnetic wave are presented for different angles of incidence. The surface upon which this wave is incident is assumed to be a large, smooth, planar surface of a conducting medium that is linear, homogeneous, and isotropic. The sensitivity of the inversion procedure to ±1% error in the measured reflectances is presented graphically. Such a small error in reflectances could produce a large error, more than 20%, in the determined optical constants n and K with K being the more erroneous. Angles of incidence in the neighborhood of 10° and 80° produce the largest acceptable regions for inversion.

© 1972 Optical Society of America

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Herbert B. Holl
J. Opt. Soc. Am. 57(5) 683-690 (1967)

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