Science China Technological Sciences

, Volume 56, Issue 1, pp 125–128 | Cite as

Sodium guide star laser generation by single-pass frequency doubling in a periodically poled near-stoichiometric LiTaO3 crystal

  • Ye Yuan
  • Lei Zhang
  • YanHua Liu
  • XinJie Lü
  • Gang Zhao
  • Yan Feng
  • ShiNing Zhu
Article

Abstract

We report in this work a continuous wave (CW) narrowband 589 nm light generation for the purpose of laser guide assisted adaptive optics. A 39 mm long 1 mm thick periodically poled near stoichiometric LiTaO3 crystal with duty cycle near 50% was fabricated using electrical poling at room temperature and pumped by a Raman fiber amplifier. We tested two temperature control ovens, and a maximum conversion efficiency of about 14.3%, corresponding to 4 W of yellow light with 28 W of fundamental power, and bandwidth less than 0.18 GHz was achieved.

Keywords

sodium guide star laser periodically poling stoichiometric LiTaO3 Raman fiber amplifier frequency conversion 

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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Ye Yuan
    • 1
  • Lei Zhang
    • 2
  • YanHua Liu
    • 1
  • XinJie Lü
    • 1
  • Gang Zhao
    • 1
  • Yan Feng
    • 2
  • ShiNing Zhu
    • 1
  1. 1.National Laboratory of Solid State MicrostructureNanjing UniversityNanjingChina
  2. 2.Center for Space Laser and Information Technology, Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina

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