a plate of a birefringent substance cut parallel to the optic axis and of such a thickness that it introduces a phase difference of 90 degrees…
| 单词 | θ76356 | 
| 释义 | the world > matter > physics > electromagnetic radiation > light > refraction > 			[noun]		 > double refraction > substance (1)		 quarter-wave plate1872 a plate of a birefringent substance cut parallel to the optic axis and of such a thickness that it introduces a phase difference of 90 degrees… | 
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