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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 1 — Jan. 1, 1999
  • pp: 205–207

Optical properties of a slightly absorbing film for oblique incidence

Zhuomin M. Zhang  »View Author Affiliations


Applied Optics, Vol. 38, Issue 1, pp. 205-207 (1999)
http://dx.doi.org/10.1364/AO.38.000205


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Abstract

Approximate equations are derived for calculating the transmittance and reflectance of a slightly absorbing film when radiation is incident at an arbitrary angle. These formulas are compared with those derived from wave optics. Examination of the real and the imaginary parts of the complex phase change and the complex angle of refraction shows the simple equations to be consistent with the wave-optics formulation under the assumption that the imaginary part of the refractive index of the film is much smaller than its real counterpart.

© 1999 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(120.7000) Instrumentation, measurement, and metrology : Transmission
(300.6340) Spectroscopy : Spectroscopy, infrared
(310.6860) Thin films : Thin films, optical properties

History
Original Manuscript: May 22, 1998
Revised Manuscript: September 8, 1998
Published: January 1, 1999

Citation
Zhuomin M. Zhang, "Optical properties of a slightly absorbing film for oblique incidence," Appl. Opt. 38, 205-207 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-1-205


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References

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