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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 25 — Sep. 1, 2000
  • pp: 4473–4485

Angular distribution of light scattered from a sinusoidal grating

Egon Marx, Thomas A. Germer, Theodore V. Vorburger, and Byong C. Park  »View Author Affiliations


Applied Optics, Vol. 39, Issue 25, pp. 4473-4485 (2000)
http://dx.doi.org/10.1364/AO.39.004473


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Abstract

The angular distributions of light scattered by gold-coated and aluminum-coated gratings with amplitudes of ∼90 nm and periods of 6.67 µm were measured and calculated for light incident from a He–Ne laser at an angle of 6°. Experimental results are compared with predictions of Beckmann’s scalar theory and Rayleigh’s vector theory. The measured scattering pattern has a background of scattered light due mainly to residual surface roughness. Also the power in the higher-order peaks is larger by several orders of magnitude than the computed one, which can be attributed mainly to the low-order contributions of the harmonics in the profile.

© 2000 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1960) Diffraction and gratings : Diffraction theory
(050.2770) Diffraction and gratings : Gratings

History
Original Manuscript: January 14, 2000
Revised Manuscript: May 2, 2000
Published: September 1, 2000

Citation
Egon Marx, Thomas A. Germer, Theodore V. Vorburger, and Byong C. Park, "Angular distribution of light scattered from a sinusoidal grating," Appl. Opt. 39, 4473-4485 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-25-4473

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