Theoretical studies of coherent amplification of ultrashort laser pulses in an XeCl laser medium

F. Kannari, M. Obara

研究成果: Conference article査読

2 被引用数 (Scopus)


Coherent amplifications of short pulse XeCl lasers are theoretically studied using multi-level Maxwell-Bloch equations including real vibrational-rotational structures of a gain spectrum of XeCl. The model can successfully predict coherent effects such as the quantum beat caused by spectrum overlaptions of several vibrational-rotational transitions involved in the short pulse laser spectrum. Saturation of amplified energy caused by formation of a 2 ir-pulse-like pulse. Since a pulse area necessary for the production of a 2irpulse- like pulse which depletes all the upper state populations accessible to the laser spectrum depends on the laser pulse width, an effective saturation energy is a function of the laser pulse width. When absorption in the amplifier media is not negligible to the small-signal gain, an effective ir-pulse-like pulse is generated instead of a 2IT-pulse-like pulse. The laser pulse width is shortened by the TT or 2 IT-pulse-like pulse formation, and even shorter pulses than the linear limitation defined by the gain spectrum width can be generated if the amplified pulse intensity becomes very strong.

ジャーナルProceedings of SPIE - The International Society for Optical Engineering
出版ステータスPublished - 1989 5月 31
イベントModeling and Simulation of Laser Systems 1989 - Los Angeles, United States
継続期間: 1989 1月 151989 1月 20

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学


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