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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 19, Iss. 8 — Aug. 1, 2002
  • pp: 1555–1562

Comparing the Fourier modal method with the C method: analysis of conducting multilevel gratings in TM polarization

Tuomas Vallius  »View Author Affiliations


JOSA A, Vol. 19, Issue 8, pp. 1555-1562 (2002)
http://dx.doi.org/10.1364/JOSAA.19.001555


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Abstract

The coordinate transformation method (C method) with adaptive spatial resolution and the Fourier modal method (FMM) are compared in the case of conducting discontinuous multilevel gratings in TM polarization. A procedure permitting analysis of such gratings more efficiently with the C method than with the FMM is presented. The C method is observed to converge more rapidly than the FMM, whose instabilities are shown to harm the convergence in the aforementioned case.

© 2002 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1960) Diffraction and gratings : Diffraction theory

Citation
Tuomas Vallius, "Comparing the Fourier modal method with the C method: analysis of conducting multilevel gratings in TM polarization," J. Opt. Soc. Am. A 19, 1555-1562 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-8-1555

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