Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 40
... spectrum in the reverse order . This series of colours will be followed by an almost colourless interval , for which the retarda- tion is intermediate between a half - red wave length and three half - violet wave lengths . Beyond this ...
... spectrum in the reverse order . This series of colours will be followed by an almost colourless interval , for which the retarda- tion is intermediate between a half - red wave length and three half - violet wave lengths . Beyond this ...
Página 41
... spectrum is then con- tinuous , and when recompounded will give white light . This corresponds to the fact noticed ... spectrum . The parts of the spectrum occupied by the bands in the two rectangular posi- tions of the analyser are ...
... spectrum is then con- tinuous , and when recompounded will give white light . This corresponds to the fact noticed ... spectrum . The parts of the spectrum occupied by the bands in the two rectangular posi- tions of the analyser are ...
Página 43
... spectrum will be the result . ( 2. ) With their edges at right angles , and their axes parallel , and both placed at 45 ° to the plane of polarisation . In this case we have two positions : ( a ) when the line of increasing thickness of ...
... spectrum will be the result . ( 2. ) With their edges at right angles , and their axes parallel , and both placed at 45 ° to the plane of polarisation . In this case we have two positions : ( a ) when the line of increasing thickness of ...
Página 51
... spectrum will be found to be traversed by one or more dark bands , whose position and number depend upon the thickness of the plate . But there will be this difference between plane and circular polarised light , that if the analyser be ...
... spectrum will be found to be traversed by one or more dark bands , whose position and number depend upon the thickness of the plate . But there will be this difference between plane and circular polarised light , that if the analyser be ...
Página 52
... spectrum ( or , as it is sometimes termed , the " arc of dispersion " ) be less than 180 ° , there will be one dark band in the spectrum ; because there can then be only one plane of vibration at a time at right angles to that of the ...
... spectrum ( or , as it is sometimes termed , the " arc of dispersion " ) be less than 180 ° , there will be one dark band in the spectrum ; because there can then be only one plane of vibration at a time at right angles to that of 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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