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Applied Optics

Applied Optics


  • Vol. 42, Iss. 20 — Jul. 10, 2003
  • pp: 4208–4211

Optical masks prepared by using a liquid-crystal light valve for light-induced photorefractive waveguides

Peng Zhang, Jianlin Zhao, Dexing Yang, Bili Li, Dongsheng Yang, and Xiqi Feng  »View Author Affiliations

Applied Optics, Vol. 42, Issue 20, pp. 4208-4211 (2003)

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The optical masks prepared by using a LCLV liquid-crystal light valve are first proposed for light-induced photorefractive waveguides in photorefractive materials. Employing this technique, various waveguide structures can be fabricated, e.g., Y- or multiple-branches waveguides, fiber-like waveguides, and Mach–Zehnder-like switches, and even whole optical circuits may be formed. A Y-branches waveguide and a fiber-like waveguide were demonstrated in a LiNbO3:Fe crystal. Several technical problems, such as intensities, resolutions, writing speed, and so on, were also discussed in detail. Using a LCLV with a fast response and a writing beam with a high intensity, the waveguide structures may be changed in real time.

© 2003 Optical Society of America

OCIS Codes
(220.4610) Optical design and fabrication : Optical fabrication
(230.3120) Optical devices : Integrated optics devices
(230.7370) Optical devices : Waveguides

Original Manuscript: November 8, 2002
Revised Manuscript: January 31, 2003
Published: July 10, 2003

Peng Zhang, Jianlin Zhao, Dexing Yang, Bili Li, Dongsheng Yang, and Xiqi Feng, "Optical masks prepared by using a liquid-crystal light valve for light-induced photorefractive waveguides," Appl. Opt. 42, 4208-4211 (2003)

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