Reexamination of the Transmittance Formulae of a Lamina

[+] Author and Article Information
Z. M. Zhang

Department of Mechanical Engineering, University of Florida, PO Box 116300, Gainesville, FL 32611-6300

J. Heat Transfer 119(3), 645-647 (Aug 01, 1997) (3 pages) doi:10.1115/1.2824157 History: Received May 06, 1996; Revised March 02, 1997; Online December 05, 2007


Expressions for the optical properties of laminated layers have drawn much attention from researchers in recent years because of emerging optoelectronic applications (Chen and Tien, 1992; Cunsolo et al., 1992; Zhang and Flik, 1993, Engelbrecht, 1994; Grossman and McDonald, 1995; Anderson and Bayazitoglu, 1996). Different equations must be applied in particular situations (Chen and Tien, 1992; Zhang, 1994). After carefully examining the transmittance formulae of a lamina, this work shows that the geometric-optics formula may result in a significant error for a highly absorbing medium even in the incoherent limit (when interference effects are negligible).

Copyright © 1997 by The American Society of Mechanical Engineers
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