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单词 isogyre
释义

> as lemmas

isogyre
isogyre n.
Brit. /ˈʌɪsə(ʊ)ˌdʒʌɪə/
,
U.S. /ˈaɪsəˌdʒaɪ(ə)r/
a thick band or bow of darkness seen crossing the coloured fringes in an interference pattern.
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the world > matter > physics > electromagnetic radiation > light > diffraction > [noun] > band, strip
fringe1718
schliere1867
isogyre1902
isochromatic1924
Brewster fringes1934
1902 C. R. Mann & R. A. Millikan tr. P. Drude Theory of Optics ii. ii. iii. 354 The whole field of view is now..traversed by a black curve, the so-called principal isogyre.
1922 N. H. Winchell & A. N. Winchell Elem. Optical Mineral. (ed. 2) I. xviii. 168 The biaxial optic axis interference figure differs from the uniaxial optic axis interference figure most clearly in the fact that it has only one isogyre instead of two. It also differs..in the fact that the single isogyre is not fixed in position, nor constantly straight, when the crystal is rotated.
1922 N. H. Winchell & A. N. Winchell Elem. Optical Mineral. (ed. 2) I. xviii. 172 As in uniaxial crystals, the isogyres are the locus of all points at which the light emerges with its vibration planes parallel with the planes of the nicols.
1964 N. H. Hartshorne & A. Stuart Pract. Optical Crystallogr. v. 203 These interference bands are symmetrically arranged around the optic axis (or axes)... In addition to these bands there are dark ‘brushes’ or isogyres.
extracted from iso-comb. form
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