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A SOLID STATE LASER RESONATOR CAPABLE OF COMPENSATING THERMAL LENS EFFECT ADAPTIVELY

ZHANG GUANG-YIN SONG FENG FENG YAN XU JING-JUN

A SOLID STATE LASER RESONATOR CAPABLE OF COMPENSATING THERMAL LENS EFFECT ADAPTIVELY

ZHANG GUANG-YIN, SONG FENG, FENG YAN, XU JING-JUN
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  • Abstract views:  2620
  • PDF Downloads:  1104
  • Cited By: 0
Publishing process
  • Received Date:  19 December 1999
  • Accepted Date:  25 January 2000
  • Published Online:  20 August 2000

A SOLID STATE LASER RESONATOR CAPABLE OF COMPENSATING THERMAL LENS EFFECT ADAPTIVELY

  • 1. 南开大学光子学中心,天津市光电子联合科学研究中心,天津 300071

Abstract: A novel resonator structure for solid state laser is proposed. A lens with short focal length is introduced in the resonator, and the laser crystal (thermal lens) is put at its focusing point, so a special lens set is composed . By using the transform circle approach it is found that the lens set functions as an optical ‘ballast’. With adjusting one end mirror along optical axis adaptively such a resonator may guarantee TEM00 mode dynamic stable operation of high-power solid state laser while thermal focal length varies within a wide range. While the beam spots of TEM00 mode at the laser crystal and end mirrors keep unchangeable.

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