| Records |
Author  |
Taylor, F.W. |
| Title |
Atmospheric physics: Natural lasers on Venus and Mars |
Type |
Journal Article |
| Year |
1983 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
306 |
Issue |
5944 |
Pages |
640-640 |
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Edition |
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| ISSN |
0028-0836 |
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no |
| Call Number |
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Serial |
457 |
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| Author |
Rothermel, H.; Käufl, H. U.; Yu, Y. |
| Title |
A heterodyne spectrometer for astronomical measurements at 10 micrometers |
Type |
Journal Article |
| Year |
1983 |
Publication |
Astron. Astrophys. |
Abbreviated Journal |
A&A |
| Volume |
126 |
Issue |
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Pages |
387-392 |
| Keywords |
astronomical spectroscopy, infrared astronomy, infrared spectrometers, optical heterodyning, infrared telescopes, laser spectrometers, mars (planet), venus (planet) |
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no |
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Serial |
453 |
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| Author |
Perrin, N.; Vanneste, C. |
| Title |
Response of superconducting films to a periodic optical irradiation |
Type |
Journal Article |
| Year |
1983 |
Publication |
Phys. Rev. B |
Abbreviated Journal |
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| Volume |
28 |
Issue |
9 |
Pages |
5150-5159 |
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sc_resp_Perrin_1983 |
Serial |
233 |
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| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D. |
| Title |
Submillimeter backward wave tube spectrometer for measuring superconducting film transmission |
Type |
Journal Article |
| Year |
1983 |
Publication |
Pribory i Tekhnika Eksperimenta |
Abbreviated Journal |
Pribory i Tekhnika Eksperimenta |
| Volume |
26 |
Issue |
5 |
Pages |
134-137 |
| Keywords |
BWO spectroscopy, spectrometer, transmission |
| Abstract |
A spectrometer employing six backward wave tubes is described. It is intended for investigation of superconductors in the 0.2-3 mm range of wave lengths. During the measurement of the transmission spectrum it is possible to determine the energy gap for superconduct1ng films 50 to 4000 A thick. The transmission factor can vary from 10-1 to 10-9. Spectrum of relation of film transmission factors in superconducting and normal states is measured for determining the energy gap 2 Δ. The transmission spectrum obtained by means of a computer for vanadium film 300 A thick is given as an example. The energy gap 2 Δ = 1.4 MeV |
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Russian |
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0032-8162 |
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Субмиллиметровый спектрометр с лампами обратной волны для измерения пропускания сверхпроводниковых пленок |
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no |
| Call Number |
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Serial |
1713 |
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| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Multanovskii, V. V.; Ptitsina, N. G. |
| Title |
Kinetics of electron and hole binding into excitons in germanium |
Type |
Journal Article |
| Year |
1983 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
| Volume |
57 |
Issue |
2 |
Pages |
369-376 |
| Keywords |
Ge, electron and hole binding |
| Abstract |
The kinetics of binding of free carriers'into excitons under stationary and nonstationary conditions is studied by investigating the submillimeter photoconductivity of Ge in a wide range of temperatures and of excitation levels. It is shown that the absolute values and the temperature dependence of the binding cross section (o- T-'.' ) can be satisfactorily described by the cascade recombination theory. The value of o and its temperature dependence differ significantly from the cross sections, measured in the same manner, for capture by attracting small impurities. Under nonstationary conditions, just as in the case of recombination with shallow impurities, a signifi- cant role is played by the sticking of the carriers in highly excited states. |
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no |
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1711 |
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