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Applied Optics

Applied Optics


  • Vol. 41, Iss. 7 — Mar. 1, 2002
  • pp: 1236–1240

Compact beam expander with linear gratings

Revital Shechter, Yaakov Amitai, and Asher A. Friesem  »View Author Affiliations

Applied Optics, Vol. 41, Issue 7, pp. 1236-1240 (2002)

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Novel compact beam expanders that could be useful for applications such as providing light to flat panel displays are presented. They are based on a planar configuration in which three spatially linear gratings are recorded on one transparent substrate, so as to expand a narrow incoming beam in two dimensions. We present the design and recording procedures along with results, showing a relatively uniform intensity of the wide output beam. Such expanders can serve for illuminating flat panel displays.

© 2002 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1970) Diffraction and gratings : Diffractive optics
(090.2890) Holography : Holographic optical elements

Original Manuscript: April 5, 2001
Revised Manuscript: August 16, 2001
Published: March 1, 2002

Revital Shechter, Yaakov Amitai, and Asher A. Friesem, "Compact beam expander with linear gratings," Appl. Opt. 41, 1236-1240 (2002)

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