Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 8
... reflected rays be viewed through it , then in certain positions of the plate the reflected light will appear less bright than in others . If the angle at which the original rays fall upon the reflecting surface be varied , it will be ...
... reflected rays be viewed through it , then in certain positions of the plate the reflected light will appear less bright than in others . If the angle at which the original rays fall upon the reflecting surface be varied , it will be ...
Página 9
... reflected and refracted rays will be at right angles to one another . In Fig . 5 , si 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 ...
... reflected and refracted rays will be at right angles to one another . In Fig . 5 , si 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 ...
Página 10
... reflected and the refracted beams , will all be visible . If , then , the direction of the inci- dent beam be so adjusted that the reflected and the refracted beams are at right angles to one another , and a Nicol's prism be interposed ...
... reflected and the refracted beams , will all be visible . If , then , the direction of the inci- dent beam be so adjusted that the reflected and the refracted beams are at right angles to one another , and a Nicol's prism be interposed ...
Página 11
... reflected ray at the first plate ; bc the inci- g FIG . 7 . dent , and c d the reflected ray , at the second plate ; then the ray bc will be polarised more or less , accord- ing to the angle of incidence , at b , and will be analysed at ...
... reflected ray at the first plate ; bc the inci- g FIG . 7 . dent , and c d the reflected ray , at the second plate ; then the ray bc will be polarised more or less , accord- ing to the angle of incidence , at b , and will be analysed at ...
Página 12
... reflected ray is polarised , the refracted ray should also exhibit traces of polarisa- tion . And , in fact , every ray of ordinary light inci- dent at any angle upon a transparent plate is partly reflected and partly refracted ; the ...
... reflected ray is polarised , the refracted ray should also exhibit traces of polarisa- tion . And , in fact , every ray of ordinary light inci- dent at any angle upon a transparent plate is partly reflected and partly refracted ; the ...
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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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