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Design of Rugate filter for gain narrowing compensation

Sui Zhan Zhu Qi-Hua Zhang Ying Zuo Yan-Lei Zhao Lei

Design of Rugate filter for gain narrowing compensation

Sui Zhan, Zhu Qi-Hua, Zhang Ying, Zuo Yan-Lei, Zhao Lei
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  • Abstract views:  3398
  • PDF Downloads:  1034
  • Cited By: 0
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  • Received Date:  09 July 2008
  • Accepted Date:  02 September 2008
  • Published Online:  20 June 2009

Design of Rugate filter for gain narrowing compensation

  • 1. (1)中国工程物理研究院激光聚变研究中心,绵阳 621900; (2)中国工程物理研究院激光聚变研究中心,绵阳 621900;中国工程物理研究院研究生部, 绵阳 621900

Abstract: Two Rugate filters for compensating gain narrowing are designed separately based on the gain characteristics of Ti: sapphire amplifier and Nd: glass amplifier. The Gauss spectral shaping function is selected as the compensation modulation function. Characteristic matrix method is used to analyse the spectral response of the Rugate filter approximately. Amplification using Rugate filter spectral compensation is analysed numerically. Results show that they satisfy the compensation requirements well and can be used as the spectral compensation filters.

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