負の屈折率温度特性をもつ固体材料によるNd: YAGレーザーの熱レンズ補償

書誌事項

タイトル別名
  • Thermal Lens Compensation of Rod Laser System Inserting a Solid Element with Negative Temperature-Dependence Change of Refractive Index Property
  • Laser Original 負の屈折率温度特性をもつ固体材料によるNd:YAGレーザーの熱レンズ補償
  • Laser Original フ ノ クッセツリツ オンド トクセイ オ モツ コタイ ザイリョウ ニ ヨル Nd YAG レーザー ノ ネツ レンズ ホショウ

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抄録

We have successfully demonstrated the compensation of thermal lens effect in Nd: YAG laser rods regardless of pumping condition by inserting a solid-state self-adaptive CE (Compensating Element), having negative dn/dT property between two Nd: YAG rods. Several organic resins and a LiF crystal of higher negative dn/dT which have high damage threshold and low absorbance are very useful to compensate thermal effects in the amplifier. The results revealed that the use of several organic resins resulted in the complete reduction of the thermal lens effect by an order of magnitude. This compensation scheme is an ultimate method because of its dynamic compensation feature independent of the pumping power level.

収録刊行物

  • レーザー研究

    レーザー研究 36 (9), 573-578, 2008

    一般社団法人 レーザー学会

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