Optical Review

, Volume 16, Issue 1, pp 1–3 | Cite as

Demonstration of highly efficient broadband amplification in a optical parametric chirped-pulse amplifier system

  • Hajime Okada
  • Hiromitsu Kiriyama
  • Michiaki Mori
  • Yoshiki Nakai
  • Takuya Shimomura
  • Manabu Tanoue
  • Shuji Kondo
  • Shuhei Kanazawa
  • Hiroyuki Daido
  • Toyoaki Kimura
  • Toshiki Tajima
Letter

Abstract

We have demonstrated highly efficient broadband amplification by an optical parametric chirped pulse amplifier (OPCPA) system that uses high energy seed pulses. The OPCPA consists of three type I B-barium borate (BBO) crystals pumped by a Q-switched Nd:YAG laser. We successfully amplified the microjoule level seed pulses to 78 mJ with a pump-to-signal optical conversion efficiency of 26% at a 10 Hz repetition rate. To our knowledge these results represent the most optically efficient OPCPA to date pumped by a typical Q-switched laser.

Keywords

solid-state laser OPCPA ultra-short pulse spectral shaping 

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Copyright information

© The Optical Society of Japan 2009

Authors and Affiliations

  • Hajime Okada
    • 1
  • Hiromitsu Kiriyama
    • 1
  • Michiaki Mori
    • 1
  • Yoshiki Nakai
    • 1
  • Takuya Shimomura
    • 1
  • Manabu Tanoue
    • 1
  • Shuji Kondo
    • 1
  • Shuhei Kanazawa
    • 1
  • Hiroyuki Daido
    • 1
  • Toyoaki Kimura
    • 1
  • Toshiki Tajima
    • 1
  1. 1.Advanced Photon Research CenterJapan Atomic Energy AgencyKizugawa, KyotoJapan

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