Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 2
... particles . These methods will be considered in order ; but before doing so , it will be convenient to describe the phenomena of polarisation as exhibited by some instrument tolerably simple in its action , and of easy manipulation ...
... particles . These methods will be considered in order ; but before doing so , it will be convenient to describe the phenomena of polarisation as exhibited by some instrument tolerably simple in its action , and of easy manipulation ...
Página 35
... particles of ether in the plane , circular , and elliptical vibrations of light ; and Sir Charles Wheatstone has invented a machine which represents to the eye in what manner plane waves in the same or in rectangular planes combine , so ...
... particles of ether in the plane , circular , and elliptical vibrations of light ; and Sir Charles Wheatstone has invented a machine which represents to the eye in what manner plane waves in the same or in rectangular planes combine , so ...
Página 47
... particles of ether , which when at rest lie in a straight line , is circular , and , as in plane polarisation , successive ; and consequently at any instant during the motion such a series of particles will be arranged in a helix or ...
... particles of ether , which when at rest lie in a straight line , is circular , and , as in plane polarisation , successive ; and consequently at any instant during the motion such a series of particles will be arranged in a helix or ...
Página 48
... particle of the ether ( say ) at the extremity of the clock - hands when they have met , it will be solicited when the hands are coincident by forces producing two opposite cir- cular motions . Now , whatever may have been the forces or ...
... particle of the ether ( say ) at the extremity of the clock - hands when they have met , it will be solicited when the hands are coincident by forces producing two opposite cir- cular motions . Now , whatever may have been the forces or ...
Página 49
... particle in question , and consequently all those which , following in succession , serve to compose the entire ray until it enters the analyser , will vibrate in the direction of the diameter drawn through the point under con ...
... particle in question , and consequently all those which , following in succession , serve to compose the entire ray until it enters the analyser , will vibrate in the direction of the diameter drawn through the point under con ...
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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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