Applied Physics B

, Volume 95, Issue 3, pp 497–503

Wave mixing in nominally undoped Sn2P2S6 at high light intensities

Article

Abstract

The intensity dependence of the photorefractive response of Sn2P2S6 is studied for the Kr+-laser wavelength of 647 nm and pump-beam intensities of up to 10 W/cm2. A considerable enhancement of the two-beam coupling gain factor with increasing intensity at a grating spacing of ≃1 μm is attributed to a light-induced increase of the effective trap density. The large gain reached at high intensities is applied for the build up of a double phase conjugate mirror with a sub-millisecond switch-on time.

PACS

42.65.Hw 42.65.Sf 42.65.Yj 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.Institute of PhysicsNational Academy of SciencesKievUkraine
  2. 2.Fachbereich PhysikUniversität OsnabrückOsnabrückGermany

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