Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
Dentro del libro
Resultados 1-5 de 21
Página 3
... former , the following effects will be observed . When the two plates are similarly placed , i.e. as if they formed one and the same block of crystal , or , as it is technically expressed , with their optic axes parallel , we shall per ...
... former , the following effects will be observed . When the two plates are similarly placed , i.e. as if they formed one and the same block of crystal , or , as it is technically expressed , with their optic axes parallel , we shall per ...
Página 7
... former supposition , and supposing that nothing whatever is known about the direction of vibration , then , if all possible directions be taken in succession as pivots about which to tilt or turn the second tourmalin , it will be found ...
... former supposition , and supposing that nothing whatever is known about the direction of vibration , then , if all possible directions be taken in succession as pivots about which to tilt or turn the second tourmalin , it will be found ...
Página 12
... former the reflected ray is least bright . The degree of dimness at the two positions last mentioned will depend upon the accu- racy with which the reflecting plates have been adjusted to the polarising angle ; and when this has been ...
... former the reflected ray is least bright . The degree of dimness at the two positions last mentioned will depend upon the accu- racy with which the reflecting plates have been adjusted to the polarising angle ; and when this has been ...
Página 13
... former , shows that the vibrations of the reflected and refracted rays , so far as they become polarised , are at right angles to one another . And further , if these rays be severally examined with a plate of tourmalin , it will be ...
... former , shows that the vibrations of the reflected and refracted rays , so far as they become polarised , are at right angles to one another . And further , if these rays be severally examined with a plate of tourmalin , it will be ...
Página 21
... former two ; while in intermediate parts the light exhibits gradations from the maximum to the minimum intensity . For other positions of the sphere , the polarisation is still further complicated ; so that the character of the ...
... former two ; while in intermediate parts the light exhibits gradations from the maximum to the minimum intensity . For other positions of the sphere , the polarisation is still further complicated ; so that the character of the ...
Otras ediciones - Ver todas
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
Pasajes populares
Página 147 - SOUND : a Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the Use of Students of every age.
Página 148 - FELKIN, HM— Technical Education in a Saxon Town. Published for the City and Guilds of London Institute for the Advancement of Technical Education.
Página 148 - MATHEMATICAL AND PHYSICAL PAPERS, By GEORGE GABRIEL STOKES, MA, DCL, LL.D., FRS, Fellow . of Pembroke College, and Lucasian Professor of Mathematics in the University of Cambridge. Reprinted from the Original Journals and Transactions, with Additional Notes by the Author. Vol. I. Demy 8vo. cloth. 15*.
Página 147 - With numerous Illustrations. Crown 8vo. y. 6d. POLARISATION OF LIGHT. By W. SPOTTISWOODE, FRS With many Illustrations. Second Edition. Crown 8vo. 3*. 6d. ON BRITISH WILD FLOWERS CONSIDERED IN RELATION TO INSECTS.
Página 147 - By Sir WILLIAM THOMSON, •DCL, LL.D., FRS, FRSE, Fellow of St. Peter's College, Cambridge, and Professor of Natural Philosophy in the University of Glasgow. Second Edition. Medium 8vo. iSs. THE MOTION OF VORTEX RINGS, A TREATISE ON. An Essay to which the Adams Prize was adjudged in 1882 in the University of Cambridge.
Página 147 - THE SCIENCE OF WEIGHING AND MEASURING, AND THE STANDARDS OF MEASURE AND WEIGHT. By HW CHISHOLM, Warden of the Standards. With numerous Illustrations. Crown 8vo. 4*.
Página 125 - ... and 90° the rings will be contracted and extended in opposite quadrants, until at 45° they are divided by two diagonals, on each side of which the colours are complementary. Beyond 45° the rings begin to coalesce, until at 90° the four quadrants coincide again.
Página 147 - THE COMMON FROG. By ST. GEORGE MIVART, FRS, Lecturer in Comparative Anatomy at St Mary's Hospital. With numerous Illustrations. Crown 8vo.
Página 134 - Lord Rayleigh, and others ; and the combinations have been effected sometimes by causing two spectra at right angles to one another to overlap, and sometimes by bringing images of various parts of a spectrum simultaneously upon the retina. Latterly also W.
Página 148 - ... to a higher place in the educational system of the country. It contains original articles on all subjects within the...