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Applied Optics

Applied Optics


  • Vol. 29, Iss. 28 — Oct. 1, 1990
  • pp: 4176–4181

Small angle bidirectional reflectance distribution function

Zu-Han Gu and Richard S. Dummer  »View Author Affiliations

Applied Optics, Vol. 29, Issue 28, pp. 4176-4181 (1990)

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Small angle scattering in and near the specular direction has recently been measured with a monostatic laser interferometric reflectometer for a laser beam incident normal to the surface. Employing the Ricean statistics of the amplitude distribution for coherent glint with an additive scattered component of speckles, the scattered portion has been partitioned from the total reflected signal at 1.06 and 10.6 μm. Such measurements are basic to surface metrology and useful in assessing the performance of mirrors used in lasers and astronomical telescopes.

© 1990 Optical Society of America

Original Manuscript: October 23, 1989
Published: October 1, 1990

Zu-Han Gu and Richard S. Dummer, "Small angle bidirectional reflectance distribution function," Appl. Opt. 29, 4176-4181 (1990)

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  1. P. A. Temple, D. P. Arndt, J. M. Bennett, J. M. Elson, P. C. Archibald, S. J. Hixson, “Near-Angle Scatter and Total Integrated Scatter from Single-Point Diamond-Turned Copper Surfaces Measured at 2.7 μm Wavelength,” in Technical Digest, Topical Meeting on High Power Laser Optical Components (Optical Society of America, Washington, DC, 1984).
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