| 单词 | half-wave plate |
| 释义 | half-wave plate[ haf-weyv, hahf- ] / ˈhæfˌweɪv, ˈhɑf- / noun Optics.a 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. Compare quarter-wave plate. Origin of half-wave plateFirst recorded in 1900–05 Words nearby half-wave platehalf-turn, half-turning, half twist, half-used, half volley, half-wave plate, half-wave rectifier, halfway, halfway house, half Wellington, half-wit Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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