Abstract

A classification scheme and nomenclature for inhomogeneous refractive-index distributions is proposed which is consistent, unambiguous, and appeals to intuition. The classification is based on (1) the generic shape of the isoindicial surfaces, (2) the detailed dependence of the index on some position coordinate characterizing the isoindicial surfaces, and (3) whether the index distribution is given by N or N2 as some function of position. The scheme is illustrated by distributions which are of technological or physiological interest.

© 1983 Optical Society of America

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References

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  1. E. W. Marchand, Gradient Index Optics (Academic, New York, 1978).
  2. Selfoc is a trade name of the Nippon Sheet Glass Co., Ltd., Osaka, Japan.

Marchand, E. W.

E. W. Marchand, Gradient Index Optics (Academic, New York, 1978).

Other

E. W. Marchand, Gradient Index Optics (Academic, New York, 1978).

Selfoc is a trade name of the Nippon Sheet Glass Co., Ltd., Osaka, Japan.

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Tables (2)

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Table I Some Typical Generic Distributions

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Table II Some Simple Forms for N(p)

Equations (1)

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N 2 ( x , y , z ) = n 0 + n 1 [ ( 1 + k ) x 2 + y 2 + z 2 ] ,

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