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Optical Engineering

Nonspecular longitudinal shift of the beam reflected from an interface containing an absorbing medium
Author(s): Guang Yao Leng; Ding Fan Gu; Xiao Yan Zang
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Paper Abstract

Two expressions may be employed to calculate the value of the longitudinal focal displacement of the reflected beam from an absorbing medium for both s and p polarization. Our calculations show that Fp is positive (the p wave shifts along the reflected direction) and Fs is negative (the s wave shifts along the opposite direction). Assuming that the extinction coefficient is zero, then the two expressions can be simplified to the forms given by Chan and Tamir, which fit only for the nonabsorbing medium.

Paper Details

Date Published: 1 August 1994
PDF: 5 pages
Opt. Eng. 33(8) doi: 10.1117/12.176510
Published in: Optical Engineering Volume 33, Issue 8
Show Author Affiliations
Guang Yao Leng, Zhejiang Univ. (China)
Ding Fan Gu, Jin Cheng Machinery Factory (China)
Xiao Yan Zang, West Lake Electronics Industrial Co., Ltd. (China)


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