Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 4
... overlap , the shading in Fig . I represents the deepened colour due to the double thickness of the crystal ; in Fig . 2 it indicates the complete extinction of the light . The same alternation of brightness and extinction will continue ...
... overlap , the shading in Fig . I represents the deepened colour due to the double thickness of the crystal ; in Fig . 2 it indicates the complete extinction of the light . The same alternation of brightness and extinction will continue ...
Página 31
... undergo when the prism is turned . round , the overlapping part of the images is white ; and their tints are therefore complementary . If the distance of the prism be so adjusted that III . ] 31 POLARISATION OF LIGHT .
... undergo when the prism is turned . round , the overlapping part of the images is white ; and their tints are therefore complementary . If the distance of the prism be so adjusted that III . ] 31 POLARISATION OF LIGHT .
Página 32
William Spottiswoode. If the distance of the prism be so adjusted that the images overlap , it will be found that , when both are visible , the part where they overlap is always white , whatever be the thickness of the plate used . And ...
William Spottiswoode. If the distance of the prism be so adjusted that the images overlap , it will be found that , when both are visible , the part where they overlap is always white , whatever be the thickness of the plate used . And ...
Página 59
... overlap will be more brightly illuminated than the parts which do not so overlap . The interest of the last feature consists in showing , as first noticed by Helmholtz , that the low- tint colours , russet , brown , drab , & c . , are ...
... overlap will be more brightly illuminated than the parts which do not so overlap . The interest of the last feature consists in showing , as first noticed by Helmholtz , that the low- tint colours , russet , brown , drab , & c . , are ...
Página 135
... overlapping parts will depend upon the angle at which the rings cross one another . Bearing in mind the fact that at every point of the field the polarisation of one ray is parallel , and that of the other perpendicular to the direction ...
... overlapping parts will depend upon the angle at which the rings cross one another . Bearing in mind the fact that at every point of the field the polarisation of one ray is parallel , and that of the other perpendicular to the direction ...
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Términos y frases comunes
analyser be turned angle of incidence axis bands beam bi-axal crystals biquartz centre circular polarisation circularly coincide complementary complementary colours consequently Crown 8vo crystal plate cut perpendicularly dark difference of phase different colours double refraction effect ellipses equal ether exhibit extinguished field of view film glass hyperbolas Iceland spar inclined instrument intermediate laminæ left-handed mean-line motion Nicol Nicol's prism oblique opposite optic axes ordinary ordinary ray orthorhombic overlap pair parallel particle perpendicular phenomena placed plane containing plane of polarisation plane of reflexion plane of vibration plane-polarised plate of quartz polar clock polariscope polarised light polariser and analyser polarising angle position principal section produced quadrants quarter-undulation plate quartz plate rectilinear reflected ray retardation rhombohedron right angles right-handed rotation secondary figures seen selenite silver plate spectrum straight lines successive polarisation surface thickness tints tion traversed tube turned round uni-axal velocity wave length wedges
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