Conclusions
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1)
The synchrotron-radiation spectrum of a cluster of relativistic electrons moving in the field of a synchronous wave consists of lines and pedestal peaks at comparatively low energies. The line frequencies and those of the central peaks are harmonics of the synchronous-wave frequency. This permits us to relate the frequencies of radio and IR oscillators.
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2)
The line phase is governed by the phase of the synchronous wave; the radiation phase of the pedestal is random; and the peak width is of the order of 1–1000 kHz.
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3)
With multiplication by a factor of 103, the frequencies of radio and IR oscillators may be compared with an accuracy of ∼10−12.
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Translated from Izvestiya VUZ. Radiofizika, Vol. 12, No. 9, pp. 1401–1410, September, 1969.
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Gertsenshtein, M.E., Malakhov, A.N. & Bokun, R.C. Fine structure of the synchrotron-radiation spectrum. Radiophys Quantum Electron 12, 1097–1104 (1969). https://doi.org/10.1007/BF01030677
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DOI: https://doi.org/10.1007/BF01030677