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Decreasing the divergence of high-gain lasers

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Abstract

A simple method of reducing the divergence of high gain lasers by placing an anamorphic prism beam expander in the cavity is described. Using a nitrogen laser a 37-fold decrease in divergence and 9-fold increase in brightness were achieved. The method can be used in excimer and copper vapour lasers as well.

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Heszler, P., Bor, Z., Kovacs, G. et al. Decreasing the divergence of high-gain lasers. Opt Quant Electron 20, 377–381 (1988). https://doi.org/10.1007/BF00632465

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Keywords

  • Nitrogen
  • Copper
  • Communication Network
  • High Gain
  • Vapour Laser