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タイトル別名
  • Spatial Coherence of Laser Light with Multi-Mode Oscillations
  • レーザーコウ モード ト クウカンテキ コヒーレンス

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説明

Spatial coherence of a laser light under multi-mode oscillations is investigated from the propagation theory of spatial coherence function. As an example, a confocal type of a Fabry-Perot resonator is considered, in order to evaluate both the degree of spatial coherence and intensity distribution over a laser beam which oscillates with a few of the modes expressed by a Hermite-Gaussian function. It is then shown that a laser light is not always completely spatially coherent even though a radiation pattern takes nearly a Gaussian type. This can be solved, as an example, by studying spatial coherence for a laser oscillation of TEM00 TEM01+TEM10 modes.

収録刊行物

  • 応用物理

    応用物理 40 (3), 281-286, 1971

    公益社団法人 応用物理学会

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