单词 | isogyre |
释义 | > as lemmasisogyre 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.ΘΚΠ 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. < as lemmas |
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