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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 19 — Jul. 1, 2011
  • pp: 3187–3190

Design of a high-efficiency seven-port beam splitter using a dual duty cycle grating structure

Fung Jacky Wen and Po Sheun Chung  »View Author Affiliations

Applied Optics, Vol. 50, Issue 19, pp. 3187-3190 (2011)

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In this paper, we propose a compact seven-port beam splitter which is constructed using only a single-layer high-density grating with a dual duty cycle structure. The properties of this grating are investigated by a simplified modal method. The diffraction efficiency can be achieved around 10% more than conventional Dammann gratings while the uniformity can still be maintained at less than 1%. The effect of deviations from the design parameters on the performance of the grating is also presented.

© 2011 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1960) Diffraction and gratings : Diffraction theory
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1360) Optical devices : Beam splitters

ToC Category:
Diffraction and Gratings

Original Manuscript: February 18, 2011
Revised Manuscript: April 28, 2011
Manuscript Accepted: April 28, 2011
Published: June 23, 2011

Fung Jacky Wen and Po Sheun Chung, "Design of a high-efficiency seven-port beam splitter using a dual duty cycle grating structure," Appl. Opt. 50, 3187-3190 (2011)

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