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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 7 — Apr. 3, 2006
  • pp: 2583–2588

Wideband four-level transmission gratings with flattened spectral efficiency

Juha Pietarinen, Tuomas Vallius, and Jari Turunen  »View Author Affiliations

Optics Express, Vol. 14, Issue 7, pp. 2583-2588 (2006)

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Four-level transmission-type surface relief grating profiles with nearly flat efficiency over a spectral octave are designed by rigorous electromagnetic diffraction theory. Parametric optimization of the relief depths and transition points of the profile steps of these leads to efficiencies in the range 50–60% over the entire octave if the ratio of the grating period and the mean spectral wavelength is greater than ~ 3.

© 2006 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(050.1970) Diffraction and gratings : Diffractive optics

ToC Category:
Diffraction and Gratings

Original Manuscript: February 17, 2006
Revised Manuscript: March 21, 2006
Manuscript Accepted: March 21, 2006
Published: April 3, 2006

Juha Pietarinen, Tuomas Vallius, and Jari Turunen, "Wideband four-level transmission gratings with flattened spectral efficiency," Opt. Express 14, 2583-2588 (2006)

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