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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 32 — Nov. 11, 2002
  • pp: 6763–6767

Analysis of Non-Quarter-Wave Grating by a Modified Fourier-Transform Method

Tim K. L. Wong, Lukasz Brzozowski, and Edward H. Sargent  »View Author Affiliations


Applied Optics, Vol. 41, Issue 32, pp. 6763-6767 (2002)
http://dx.doi.org/10.1364/AO.41.006763


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Abstract

When unity reflectance is approached, the Fourier-transform method of calculating the reflectance spectrum of an optical grating modulated by a slowly varying envelope becomes unacceptably inaccurate. The modified Fourier transform method of Bovard [Appl. Opt. 29, 24 (1990)] can achieve complete accuracy for quarter-wave gratings. We report herein the extension of Bovard’s method to non-quarter-wave gratings. We demonstrate the accurate deployment of our simplified modified Fourier-transform method to apodized linear gratings and optically apodized nonlinear gratings.

© 2002 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(230.4320) Optical devices : Nonlinear optical devices

Citation
Tim K. L. Wong, Lukasz Brzozowski, and Edward H. Sargent, "Analysis of Non-Quarter-Wave Grating by a Modified Fourier-Transform Method," Appl. Opt. 41, 6763-6767 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-32-6763

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