Records |
Author |
Борн, М.; Вольф, Э. |
Title |
Основы оптики |
Type |
Book Whole |
Year |
1973 |
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Наука |
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М. |
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Language |
russian |
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Serial |
227 |
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Author |
Phillips, T. G.; Jefferts, K. B. |
Title |
A low temperature bolometer heterodyne receiver for Millimeter wave astronomy |
Type |
Journal Article |
Year |
1973 |
Publication |
Rev. Sci. Instrum. |
Abbreviated Journal |
Rev. Sci. Instrum. |
Volume |
44 |
Issue |
8 |
Pages |
1009-1014 |
Keywords |
InSb HEB mixer |
Abstract |
Liquid helium cooled InSb hot electronbolometers are used in a balanced mixer configuration as detectors for an imagelessmicrowave receiver. The system is designed for mounting at the prime focus of the National Radio Astronomy Observatory (NRAO) 11 m antenna at Kitt Peak, Arizona, and is suitable for the study of rotational line spectra of interstellar gas molecules. Currently the operating frequency is in the 90–140 GHz band where the double sideband system noise temperature is 250 K. |
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Recommended by Klapwijk |
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no |
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Serial |
927 |
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Author |
Gershenzon, E. M.; Gol'tsman, G.; Ptitsina, N. G. |
Title |
Energy spectrum of free excitons in germanium |
Type |
Journal Article |
Year |
1973 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
Volume |
18 |
Issue |
3 |
Pages |
93 |
Keywords |
Ge, free excitons, energy spectrum |
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1734 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Ptitsina, N. G. |
Title |
Submillimeter spectroscopy of semiconductors |
Type |
Journal Article |
Year |
1973 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
Volume |
37 |
Issue |
2 |
Pages |
299-304 |
Keywords |
semiconductors, submillimeter spectroscopy, spectrometer, BWO, Ge, free excitons |
Abstract |
The possibility is considered of carrying out submillimeter-wave spectral investigations of semiconductors by means of a high resolution spectrometer with backward-wave tubes. Results of a study of the excitation spectra of small impurities, D-(A +) centers and free excitons in germanium are presented. |
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1735 |
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