Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 4
... represent the two plates ; in Fig . I the two plates are supposed to be in the first position ; in Fig . 2 the plate e , f , g , h , has been turned through a right angle . Of the parts which overlap , the shading in Fig . I represents ...
... represent the two plates ; in Fig . I the two plates are supposed to be in the first position ; in Fig . 2 the plate e , f , g , h , has been turned through a right angle . Of the parts which overlap , the shading in Fig . I represents ...
Página 7
... represents the ray of light ; the arrow the direction of vibration ; a , b , c , d , d ' , b , c ' , d ' , the plate in two positions , turned in the first instance about the direction of vibration , in the second about a line ...
... represents the ray of light ; the arrow the direction of vibration ; a , b , c , d , d ' , b , c ' , d ' , the plate in two positions , turned in the first instance about the direction of vibration , in the second about a line ...
Página 9
... represents the incident , if the re- flected , and i the refracted ray . Then si will be r S FIG . 5 . incident at the polarising angle when the angle fir is a right angle . An apparatus devised by Professor Tyndall for experimentally ...
... represents the incident , if the re- flected , and i the refracted ray . Then si will be r S FIG . 5 . incident at the polarising angle when the angle fir is a right angle . An apparatus devised by Professor Tyndall for experimentally ...
Página 12
... represents the number of the plates used . The phenomenon of these reflexions is , there- fore , rather complicated ; but the modifications due to the additional plates do not materially alter the proportion of polarised to unpolarised ...
... represents the number of the plates used . The phenomenon of these reflexions is , there- fore , rather complicated ; but the modifications due to the additional plates do not materially alter the proportion of polarised to unpolarised ...
Página 23
... represents a section of such a prism made by f FIG . II . a plane passing through the edges K ( Fig . 10 ) . A ray ... representing the plane of polarisation of the. II . ] 23 POLARISATION OF LIGHT .
... represents a section of such a prism made by f FIG . II . a plane passing through the edges K ( Fig . 10 ) . A ray ... representing the plane of polarisation of the. II . ] 23 POLARISATION OF LIGHT .
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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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