What is coherence ?

  • MORITA Ryuji
    Department of Applied Physics, Hokkaido University Center of Education and Research for Topological Science and Technology Nanotechnology Research Center (Research Institute for Electronic Science)

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Other Title
  • コヒーレンスって何?
  • 今さら聞けない? 基礎中の基礎 コヒーレンスって何?
  • イマサラ キケナイ キソ チュウ ノ キソ コヒーレンスッテ ナニ

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Description

<p>The word ‘coherence’ is widely used in a variety of fields in physics. However, it may be somewhat difficult for beginners or younger scientists to fully understand this concept. In the present article, the basic concept of coherence is reviewed, together with explanations concerning the complex degree of coherence, temporal coherence, coherence time, coherence length, spatial coherence, and the coherence of quantum states.</p>

Journal

  • Oyo Buturi

    Oyo Buturi 79 (4), 352-356, 2010-04-10

    The Japan Society of Applied Physics

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