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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 10 — Oct. 1, 2013
  • pp: 1698–1704

Fabrication of a liquid crystal light modulator by use of femtosecond-laser-induced nanoripples

Yang Liao, Lingling Qiao, Zhaohui Wang, Min Wang, Lianqing Liu, Koji Sugioka, and Ya Cheng  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 10, pp. 1698-1704 (2013)

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We report on fabrication of a liquid crystal (LC) electro-optic modulator in fused silica by three-dimensional (3D) femtosecond laser micromachining. The LC light modulator consists of a LC cell, four embedded microelectrodes and a buried optical waveguide, which are defined in the glass substrate simultaneously by femtosecond laser direct writing. The fabricated LC cell enables homogeneous alignment of LC molecules owing to the femtosecond-laser-induced nanoripples on the inner wall of LC cell. The embedded microelectrodes give rise to homogeneous electric field in the LC cell, enabling efficient control of the orientation of LC molecules. The 3D integration of microoptical, microelectrical and microfluidic components in a single glass chip enables rapid prototyping of multifunctional devices in a monolithic substrate.

© 2013 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3390) Lasers and laser optics : Laser materials processing
(160.3710) Materials : Liquid crystals
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Laser Materials Processing

Original Manuscript: August 7, 2013
Revised Manuscript: September 17, 2013
Manuscript Accepted: September 18, 2013
Published: September 23, 2013

Virtual Issues
Ultrafast Laser Modification of Materials (2013) Optical Materials Express

Yang Liao, Lingling Qiao, Zhaohui Wang, Min Wang, Lianqing Liu, Koji Sugioka, and Ya Cheng, "Fabrication of a liquid crystal light modulator by use of femtosecond-laser-induced nanoripples," Opt. Mater. Express 3, 1698-1704 (2013)

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