Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 1
... presents certain peculiarities , hereafter to be described , which it is not generally found to possess . These ... present , an explana- tion of it . The subject of polarisation may be approached by either of two roads , the ...
... presents certain peculiarities , hereafter to be described , which it is not generally found to possess . These ... present , an explana- tion of it . The subject of polarisation may be approached by either of two roads , the ...
Página 25
... present we shall speak only of the phenomena of colour produced by crystal plates in a parallel beam of polarised light - chromatic polarisation , as it is called , with parallel light . Various forms of polariscopes have been de- vised ...
... present we shall speak only of the phenomena of colour produced by crystal plates in a parallel beam of polarised light - chromatic polarisation , as it is called , with parallel light . Various forms of polariscopes have been de- vised ...
Página 39
... present the condition of the vibrations as they emerge from the selenite when the plate is of such a thickness as to cause a retardation of a fraction of a wave length equal to the amount of shift . And on turning the wires as before ...
... present the condition of the vibrations as they emerge from the selenite when the plate is of such a thickness as to cause a retardation of a fraction of a wave length equal to the amount of shift . And on turning the wires as before ...
Página 42
... present a slope or curvature from blue towards red , in the direction of the thicker side of the wedge . The following experiment will be found very in- structive . Take two wedges of selenite or other crystal , and having crossed the ...
... present a slope or curvature from blue towards red , in the direction of the thicker side of the wedge . The following experiment will be found very in- structive . Take two wedges of selenite or other crystal , and having crossed the ...
Página 44
... present a greater thickness to the slit . ( 3. ) With their edges opposed , and their axes at right angles . Here also we have two cases : ( a ) when the axes and edges are placed at 45 ° to the plane of polarisation , we have a fan ...
... present a greater thickness to the slit . ( 3. ) With their edges opposed , and their axes at right angles . Here also we have two cases : ( a ) when the axes and edges are placed at 45 ° to the plane of polarisation , we have a fan ...
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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 refracted rays retardation rhombohedron right angles right-handed rotation 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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