Polarisation of LightMacmillan and Company, 1891 - 151 páginas |
Dentro del libro
Resultados 1-5 de 25
Página 3
... similar plate of tourmalin , placed parallel to the 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 ...
... similar plate of tourmalin , placed parallel to the 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 ...
Página 5
... similar , it is true , on sides , or in directions , diametrically opposite to one another , but dissimilar on intermediate sides or directions . The properties . in question vary , in fact , from one angular direction . to another ...
... similar , it is true , on sides , or in directions , diametrically opposite to one another , but dissimilar on intermediate sides or directions . The properties . in question vary , in fact , from one angular direction . to another ...
Página 6
... similar positions . And in the case of the tourmalin plate the orbits are all reduced to straight lines , which consequently lie in one and the same plane . For this reason the polarisation pro- duced by tourmalin , as well as by most ...
... similar positions . And in the case of the tourmalin plate the orbits are all reduced to straight lines , which consequently lie in one and the same plane . For this reason the polarisation pro- duced by tourmalin , as well as by most ...
Página 11
... similar reflecting plates be used , one for polarising , the other for analysing the light , they must be so placed as to receive the rays which fall upon them at the polar- ising angle . Thus , in Fig . 7 , let ab be the incident , and ...
... similar reflecting plates be used , one for polarising , the other for analysing the light , they must be so placed as to receive the rays which fall upon them at the polar- ising angle . Thus , in Fig . 7 , let ab be the incident , and ...
Página 42
... similar , the combination in the first instance will be equivalent to a single wedge whose refracting angle is double that of a single wedge ; and the num- ber of bands produced will consequently be doubled . In the second combination ...
... similar , the combination in the first instance will be equivalent to a single wedge whose refracting angle is double that of a single wedge ; and the num- ber of bands produced will consequently be doubled . In the second combination ...
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...