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Author |
Arams, F.; Allen, C.; Peyton, B.; Sard, E. |
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Title |
Millimeter mixing and detection in bulk InSb |
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Conference Article |
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1966 |
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Proc. IEEE |
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54 |
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4 |
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612-622 |
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Keywords |
InSb, mixer, detector |
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219 |
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Author |
Mandel, L. |
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Title |
Heterodyne detection of a weak light beam |
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Journal Article |
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Year |
1966 |
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J. Opt. Society of America |
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56 |
Issue |
9 |
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1200-1206 |
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detection, lasers, coherence |
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Abstract |
An analysis is made of the problem of detecting a weak light beam from a distant source in the presence of a background of much greater intensity, by the photoelectric heterodyne technique. In this method the incident light is superposed on the light beam from a local laser, whose frequency can be adjusted by a feedback arrangement so as to maximize a certain “beat note” in the output of the detector. With the aid of plausible assumptions it is shown that the effectiveness of the method is largely independent of the intensity of the background light, and of the fluctuation properties of the incident light. The key parameter is the number of photoelectrons released by the signal beam in a time comparable with its coherence time. |
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From [RpL 938] |
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1071 |
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Author |
Годунова, Е. К.; Левин, В. И. |
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Title |
Некоторые качественные вопросы теплопроводности |
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Journal Article |
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1966 |
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Ж. вычисл. матем. и матем. физ. |
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Ж. вычисл. матем. и матем. физ. |
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6 |
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6 |
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1097-1103 |
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mathematics, temperature distribution, rod |
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Одногорбое распределение останется одногорбым; Duplicated as 1701 |
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1700 |
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Godunova, E. K.; Levin, V. I. |
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Some general features of heat conduction |
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1966 |
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USSR Computational Mathematics and Mathematical Physics |
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USSR Computational Mathematics and Mathematical Physics |
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6 |
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6 |
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212-220 |
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mathematics, temperature distribution, rod |
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LET the initial temperature distribution in an infinite insulated rod without a heat source be given by a continuously differentiable function y = f(x), having a single maximum at x = 0 and two points of inflexion. The equation f′ = 0 then has a unique solution x = 0, where f′(x) > 0 for x < 0 and f′(x) < 0 for x > 0, We shall describe this as a one-hymped distribution. We shall assume that f/(x) also satisfies: (1) f(x) > 0 for − ∞ < x < ∞; (2) f(x) and x(fx) are integrable throughout the axis. Then the distribution remains one-humped for all t > 0. |
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0041-5553 |
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Некоторые качественные вопросы теплопроводности; Одногорбое распределение останется одногорбым |
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1701 |
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Rothwarf, Allen; Taylor, B. N. |
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Measurement of recombination lifetimes in superconductors |
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1967 |
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Phys. Rev. Lett. |
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19 |
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1 |
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27-30 |
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American Physical Society |
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MSPU @ s @ |
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220 |
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