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Applied Optics

Applied Optics


  • Vol. 44, Iss. 23 — Aug. 10, 2005
  • pp: 4922–4929

Deterministic beam fanning in Fe-doped stoichiometric lithium niobate crystals

Sanjeev Solanki, Xuewu Xu, and Tow-Chong Chong  »View Author Affiliations

Applied Optics, Vol. 44, Issue 23, pp. 4922-4929 (2005)

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We investigated the beam-fanning effect in Fe-doped stoichiometric lithium niobate (Fe:SLN) crystals that were grown by the top-seeded solution growth method. Deterministic beam fanning (DBF) was measured in Z-cut Fe:SLN crystal for incident light propagating along the c+ and c axes. The dependence of beam-fanning factors on incident power density was also studied. The experimental results of DBF in the Z-cut Fe:SLN crystal were in good agreement with a theoretical simulation based on a two-wave mixing model. The results compared with those for Fe-doped congruent lithium niobate crystals indicate that the beam-fanning process in Fe:SLN is deterministic because of its much-reduced intrinsic density of defects.

© 2005 Optical Society of America

OCIS Codes
(160.2900) Materials : Optical storage materials
(160.3730) Materials : Lithium niobate
(160.5320) Materials : Photorefractive materials
(160.6990) Materials : Transition-metal-doped materials

Original Manuscript: December 14, 2004
Revised Manuscript: March 30, 2005
Manuscript Accepted: April 2, 2005
Published: August 10, 2005

Sanjeev Solanki, Xuewu Xu, and Tow-Chong Chong, "Deterministic beam fanning in Fe-doped stoichiometric lithium niobate crystals," Appl. Opt. 44, 4922-4929 (2005)

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