==> kangji.bbs@ptt.cc (煩) 提到:
> 光包括了電場和磁場
> 我們說的偏振方向都是電場的方向
> 那為什麼不用磁場來定義偏振方向呢？

  sure you can!, if you go to study some courses like "optical waveguide",
  there are some terms like  "TE (transverse electric)" or "TM (transverse
  maginetic)" to define the polarization of a guided mode with respect to
  the cross section of a waveguide.


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☆ [Origin:椰林風情] [From: fiber7.ee.nthu.edu.tw] [Login: **] [Post: 12]