Volume 5 Issue 1
Feb.  2012
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Chinese Optics  > 2012  >  5(1): 57-63.
KU Shin-an, ZHU Wei-chen, LUO Chih-wei, ANGELUTS A A, EVDOKIMOV M G, NAZAROV M M, SHKURINOV A P, ANDREEV Y M, LANSKII G V, SHAIDUKO A V, KOKH K A, SVETLICHNYI V A. Optical properties and application of GaSe∶AgGaSe2 crystal[J]. Chinese Optics, 2012, 5(1): 57-63. doi: 10.3788/CO.20120501.0057
Citation: KU Shin-an, ZHU Wei-chen, LUO Chih-wei, ANGELUTS A A, EVDOKIMOV M G, NAZAROV M M, SHKURINOV A P, ANDREEV Y M, LANSKII G V, SHAIDUKO A V, KOKH K A, SVETLICHNYI V A. Optical properties and application of GaSe∶AgGaSe2 crystal[J]. Chinese Optics, 2012, 5(1): 57-63. doi: 10.3788/CO.20120501.0057
shu

Optical properties and application of GaSe∶AgGaSe2 crystal

  • 1.

    National Chiao Tung University, Hsinchu 30010, Taiwan, China;

  • 2.

    Moscow State University, Moscow 119991, Russia;

  • 3.

    Institute of Monitoring of Climatic and Ecological System SB RAS, Tomsk 634055, Russia;

  • 4.

    Institute of Mineralogy and Geology SB RAS, Novosibirsk 630090, Russia;

  • 5.

    Siberian Physics-Technical Institute of TSU, Tomsk 634050, Russia;

  • 6.

    Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Funds:

Supported by RFBR Project(No.10-02-01452-a), Presidium SB RAS under the Project VII.63.3.1 of VII.63.3 Prog., and Integrated Projec of 2012-2014 and Join Proj. between Presidium SB RAS and Presidium NAS, Belarus No.10 of 2010.

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  • Author Bio:

    KU Shin-an(1985-), M. Sc., Post-graduate student, National Chiao Tung University, Taiwan, China. His research interests include nonlinear optics and THz spectroscopy. E-mail:ksa7471@hotmail.com

  • Received Date: 11 Jul 2011
  • Rev Recd Date: 13 Oct 2011
  • Publish Date: 10 Feb 2012
    Abstract
  • The nonlinear optical crystal grown from the melt GaSe∶AgGaSe2(10%, mass percent) is identified as acentrosymmetric -GaSe∶Ag(0.04%, mass percent) and is used for phase matched frequency conversion. The silver presence results in 30% increase in microhardness, which allows the crystal to be cut and polished at arbitrary direction. The optical properties from visible to mid-IR and further THz ranges are studied in detail. It demonstrates that the absorption coefficient of GaSe∶Ag(0.04%, mass percent) crystal is twice that of a pure GeSe, and the CO2 laser Second Harmonic Generation(SHG) efficiency is about 1.7 times that of ZnGeP2 crystal.

     

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