Applied Physics B

, Volume 95, Issue 3, pp 497–503 | Cite as

Wave mixing in nominally undoped Sn2P2S6 at high light intensities

  • A. Shumelyuk
  • M. Wesner
  • M. Imlau
  • S. Odoulov


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.


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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