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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 26956–26961

Polymerized micro-patterned optical birefringence film and its fabrication using multi beam mixing

Jeong-Ku Lim and Jang-Kun Song  »View Author Affiliations

Optics Express, Vol. 19, Issue 27, pp. 26956-26961 (2011)

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The photo-polymerized liquid crystal (LC) film aligned on a photo-alignment layer was investigated with varying polarizability of UV light exposing on the photo-alignment layer. Interestingly, the polarizability of UV light required to induce bulk LC alignment on the photo alignment layer was found to be very low down to 0.1, and UV light greater than 0.3 polarizability produced outstanding optical performance of the film. The films fabricated with low polarizability light exhibited comparable thermo-stability with one fabricated with high polarizability light. The results suggest that micro-patterned optical birefringence films (MP-OBFs) can be fabricated by using an incoherent multi beam mixing method, where the direction of polarization of UV light can be spatially modulated. A simple MP-OBF was fabricated by using a two beam mixing method, and it exhibited a quality 3D film performance. The method will be highly useful in various optical components such as the MP-OBF, optical retarders, polarization grating etc.

© 2011 OSA

OCIS Codes
(310.0310) Thin films : Thin films
(310.5448) Thin films : Polarization, other optical properties

ToC Category:
Thin Films

Original Manuscript: November 11, 2011
Revised Manuscript: December 1, 2011
Manuscript Accepted: December 1, 2011
Published: December 16, 2011

Jeong-Ku Lim and Jang-Kun Song, "Polymerized micro-patterned optical birefringence film and its fabrication using multi beam mixing," Opt. Express 19, 26956-26961 (2011)

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