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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 34 — Dec. 1, 2001
  • pp: 6236–6241

Large-angle electro-optic laser scanner on LiTaO3 fabricated by in situ monitoring of ferroelectric-domain micropatterning

David A. Scrymgeour, Yaniv Barad, Venkatraman Gopalan, Kevin T. Gahagan, Quanxi Jia, Terence E. Mitchell, and Jeanne M. Robinson  »View Author Affiliations


Applied Optics, Vol. 40, Issue 34, pp. 6236-6241 (2001)
http://dx.doi.org/10.1364/AO.40.006236


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Abstract

We report on a horn-shaped electro-optic scanner based on a ferroelectric LiTaO3 wafer that is capable of scanning 632.8-nm light by an unprecedented 14.88° angle for extraordinary polarized light and by 4.05° for ordinary polarized light. The device concept is based on micropatterning ferroelectric domains in the shape of a series of optimized prisms whose refractive index is electric field tunable through the electro-optic effect. We demonstrate what we believe is a novel technique of using electro-optic imaging microscopy for in situ monitoring of the process of domain micropatterning during device fabrication, thus eliminating imperfect process control based on ex situ monitoring of transient currents.

© 2001 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.3130) Integrated optics : Integrated optics materials
(160.2100) Materials : Electro-optical materials
(160.2260) Materials : Ferroelectrics
(230.2090) Optical devices : Electro-optical devices
(230.4110) Optical devices : Modulators

Citation
David A. Scrymgeour, Yaniv Barad, Venkatraman Gopalan, Kevin T. Gahagan, Quanxi Jia, Terence E. Mitchell, and Jeanne M. Robinson, "Large-angle electro-optic laser scanner on LiTaO3 fabricated by in situ monitoring of ferroelectric-domain micropatterning," Appl. Opt. 40, 6236-6241 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-34-6236

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