Analysis of TEM00 laser beam quality degradation caused by a birefringent Nd: YAG rod |
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| Authors: | Qitao Lü Shalei Dong Horst Weber |
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| Institution: | (1) Festkörper-Laser-Institut Berlin GmbH, Straße des 17. Juni 135, D-10623 Berlin, Germany |
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| Abstract: | The effects produced by a birefringent rod on the beam quality factor,M
infr
sup2
, of a Gaussian TEM00 laser beam are studied. Analytical expressions for the beam parameters at the output plane of a rod amplifier are derived. The theory predicts that the beam quality degrades rapidly with the heat power dissipated in the rod. |
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