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单词 half-wave plate
释义

WordReference Random House Unabridged Dictionary of American English © 2024
half-wave plate  (hafwāv′, häf-),USA pronunciation [Optics.]
  1. Opticsa crystal thin enough to cause a phase difference of 180° between the ordinary and extraordinary rays of polarized light, thereby changing the direction of the plane of polarization. Cf. quarter-wave plate. 
  • 1900–05

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