Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
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Página 12
... rotation ( first , when the plates are parallel , and , secondly , when one of them has been turned through 180 ° ) the light reflected from the second plate is brightest , and at two posi- tions at right angles to the former the ...
... rotation ( first , when the plates are parallel , and , secondly , when one of them has been turned through 180 ° ) the light reflected from the second plate is brightest , and at two posi- tions at right angles to the former the ...
Página 28
... rotated , and shows the inclination of the plates to the cross section of the instrument . Two circular holes , each 1 inch in diameter , are cut in the centres of two opposite ends of the box ; into one of these is fitted a double rotating ...
... rotated , and shows the inclination of the plates to the cross section of the instrument . Two circular holes , each 1 inch in diameter , are cut in the centres of two opposite ends of the box ; into one of these is fitted a double rotating ...
Página 41
... rotation amounts to 45 ° . If the rotation be continued , the bands reappear , not , how- ever , in their original position , but in intermediate parts of the spectrum . The parts of the spectrum occupied by the bands in the two ...
... rotation amounts to 45 ° . If the rotation be continued , the bands reappear , not , how- ever , in their original position , but in intermediate parts of the spectrum . The parts of the spectrum occupied by the bands in the two ...
Página 45
... rotation . If the speed attains eight or ten revolutions per second , the moving image will remain permanently on the retina during an entire revolution , and all the phenomena which are usually seen in succession will appear ...
... rotation . If the speed attains eight or ten revolutions per second , the moving image will remain permanently on the retina during an entire revolution , and all the phenomena which are usually seen in succession will appear ...
Página 49
... rotation . Each of these may , as is well known , be represented by a pair of forces , one directed towards the centre of the circle , the other in the direction of the motion and at right angles to the first , or , to use geometrical ...
... rotation . Each of these may , as is well known , be represented by a pair of forces , one directed towards the centre of the circle , the other in the direction of the motion and at right angles to the first , or , to use geometrical ...
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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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