Baltimore Lectures on Molecular Dynamics and the Wave Theory of Light Volume 2

Baltimore Lectures on Molecular Dynamics and the Wave Theory of Light Volume 2

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...when what is commonly called homogeneous light, that is, light of which all the vibrations are of the same period, is used. 95." In the detailed plan of 90--94 the two independent variables chosen are the orientation of the first Nicol, and the orientation of the Fresnel's rhomb. This is thoroughly convenient if 2Tt is mounted on a proper mechanism to give it freedom to move in a plane perpendicular to its axis, and to keep its orientation round this axis constant. The Fresnel should be mounted so as to be free to move round an axis fixed in the direction of the light entering it: and it should carry a short tube round the light emerging from it into which Nt fits easily. Thus, when the Fresnel is turned round the line of the light reflected from the mirror, it carries Nt round in a circle (as it were with a hollow crank-pin), so that it is always in the proper position for carrying the emergent light to the eye of the observer. Two other choices of independent variables, each, I believe, as well-conditioned and as convenient as that of 90--94, but simpler in not wanting the special mechanism for carrying Nit are described in 98 below. 96. Nothing in 90--95 involves any hypothesis: and we have, in them, an observational method for fully, without any photometry, determining T/S and E/S; which are, for incident vibrations at 45 to the plane of incidence, the intensities of the two constituents of the reflected light vibrating in the plane of incidence, in terms of the intensity of the component of the reflected light vibrating perpendicularly to that plane. Fully carried through, it would give interesting and important information, for transparent liquids and solids, and for metals...
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Product details

  • Paperback | 216 pages
  • 189 x 246 x 12mm | 395g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236543068
  • 9781236543066