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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 2 — Jan. 10, 2008
  • pp: 253–262

Analytical solution for integrating sphere spectral efficiency inclusive of atmospheric attenuation

James L. Keef, John F. Clare, and Kurtis J. Thome  »View Author Affiliations

Applied Optics, Vol. 47, Issue 2, pp. 253-262 (2008)

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An analytical solution to the attenuation of flux within an integrating sphere due to spherical integrating source coating, exit port escape, and atmospheric absorption is derived employing a geometric probability distribution of completed sphere transits. This is used to determine the mean number of completed sphere transits and its variance. Equations that provide the attenuation ratios for the three extinction mechanisms are derived using the energy balance and summation of reflection methods. The mean length of a transit of the sphere and its variance are presented and used to derive expressions for the mean and variance of photon path lengths in the sphere.

© 2008 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors

ToC Category:
Remote Sensing and Sensors

Original Manuscript: March 7, 2007
Revised Manuscript: July 22, 2007
Manuscript Accepted: October 23, 2007
Published: January 9, 2008

James L. Keef, John F. Clare, and Kurtis J. Thome, "Analytical solution for integrating sphere spectral efficiency inclusive of atmospheric attenuation," Appl. Opt. 47, 253-262 (2008)

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