Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 5
... phases , or an entire period , in every angle of 180 ° . This directional character of the properties of the ray , on account of its analogy ( rather loose , perhaps ) to the directional character of a magnet or an electric current ...
... phases , or an entire period , in every angle of 180 ° . This directional character of the properties of the ray , on account of its analogy ( rather loose , perhaps ) to the directional character of a magnet or an electric current ...
Página 34
... phase . The Wave Theory of Light consists in explaining optical phenomena by vibrations and waves of the kind above described . And according to that theory the direction in which the waves move is the direction of propagation of the ...
... phase . The Wave Theory of Light consists in explaining optical phenomena by vibrations and waves of the kind above described . And according to that theory the direction in which the waves move is the direction of propagation of the ...
Página 36
... phase ; and it further shows that when two circular waves , one right - handed and the other left - handed , are combined , a series of plane waves is formed , the azimuth of which changes with the difference of phase . In plane ...
... phase ; and it further shows that when two circular waves , one right - handed and the other left - handed , are combined , a series of plane waves is formed , the azimuth of which changes with the difference of phase . In plane ...
Página 37
... phase . The amount of this difference is pro- portional to the thickness of the plate . On entering the analyser the vibrations of each pair of rays are resolved into one plane ; and are then in a condition to exhibit the phenomena of ...
... phase . The amount of this difference is pro- portional to the thickness of the plate . On entering the analyser the vibrations of each pair of rays are resolved into one plane ; and are then in a condition to exhibit the phenomena of ...
Página 48
... phase . The motions may be represented by two clock hands moving at the same rate in opposite directions , and the difference of phase by the angle between them when one of them is in the position from which angles are reckoned . And if ...
... phase . The motions may be represented by two clock hands moving at the same rate in opposite directions , and the difference of phase by the angle between them when one of them is in the position from which angles are reckoned . And if ...
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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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