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Bondarenko, O. I., Gershenzon, E. M., Gurvich, Y. A., Orlova, S. L., & Ptitsina, N. G. (1972). Measurement of the width of the cyclotron resonance line of n-type Ge in quantizing magnetic fields. Presumably: Sov. Phys. Semicond. | Физика и техника полупроводников, 6, 362–363.
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Борн, М., & Вольф, Э. (1973). Основы оптики. М.: Наука.
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Phillips, T. G., & Jefferts, K. B. (1973). A low temperature bolometer heterodyne receiver for Millimeter wave astronomy. Rev. Sci. Instrum., 44(8), 1009–1014.
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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Gershenzon, E. M., Gol'tsman, G., & Ptitsina, N. G. (1973). Energy spectrum of free excitons in germanium. JETP Lett., 18(3), 93.
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Gershenzon, E. M., Gol'tsman, G. N., & Ptitsina, N. G. (1973). Submillimeter spectroscopy of semiconductors. Sov. Phys. JETP, 37(2), 299–304.
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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