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).
Issue Section:
Technical Briefs
1.
Anderson
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Bayazitoglu
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1996
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,” Journal of Thermophysics and Heat Transfer
, Vol. 10
, pp. 26
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3.
Chen
G.
Tien
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1992
, “Partial Coherence Theory of Thin Film Radiative Properties
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 114
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Cunsolo
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Dore
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Varsamis
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1992
, “Refractive Index of Crystals from Transmission and Reflection Measurements: MgO in the Far-Infrared Region
,” Applied Optics
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Engelbrecht
J. A. A.
1994
, “Modelling of the Reflectance of Silicon
,” Infrared Physics and Technology
, Vol. 35
, pp. 701
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Frenkel
A.
Zhang
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1994
, “Broadband High Optical Density Filters in the Infrared
,” Optics Letters
, Vol. 19
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Gentile, T. R., Frenkel, A., Migdall, A. L., and Zhang, Z.M., 1995, “Neutral Density Filter Measurements at the National Institute of Standards and Technology,” Spectrophotometry, Luminescence and Colour; Science and Compliance, C. Burgess and D. G. Jones, eds., Elsevier, Amsterdam, The Netherlands, pp. 129–139.
8.
Grossman
E. N.
McDonald
D. G.
1995
, “Partially Coherent Transmittance of Dielectric Lamellae
,” Optical Engineering
, Vol. 34
, pp. 1289
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11.
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,” American Journal of Physics
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13.
Yeh, P., 1988, Optical Waves in Layered Media, John Wiley & Sons, Inc., New York, chap. 4, pp. 83–101.
14.
Zhang, Z. M., 1994, “Optical Properties of Layered Structures for Partially Coherent Radiation,” Heat Transfer 1994—Proceedings of the Tenth International Heat Transfer Conference, Vol. 2, G. F. Hewitt, ed., Institution of Chemical Engineers, Rugby, UK, pp. 177–182.
15.
Zhang
Z. M.
Flik
M. I.
1993
, “Predicted Absorptance of YBa2Cu3O7/YSZ/Si Multilayer Structures for Infrared Detectors
,” IEEE Transactions on Applied Superconductivity
, Vol. 3
, pp. 1604
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.16.
Zhang
Z. M.
Choi
B. I.
Flik
M. I.
Anderson
A. C
1994
, “Infrared Refractive Indices of LaAlO3, LaGaO3, and NdGaO3
,” Journal of the Optical Society of America B
, Vol. 11
, pp. 2252
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Zhang, Z. M., Datla, R. L., and Hanssen, L. M., 1995a, “Development of Neutral-Density Infrared Filters Using Metallic Thin Films,” MRS Symp. Proc., Vol. 374, pp. 117–122.
18.
Zhang
Z. M.
Hanssen
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Datla
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1995
b, “High-Optical-Density Out-of-Band Spectral Transmittance Measurements of Bandpass Filters
,” Optics Letters
, Vol. 20
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.
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