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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v54.i7.50
pages 49-57

A New Method of the Processing of Spectrograms of the Optical Range

Victor Filippovich Kravchenko
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 11-7, Mokhovaya St., Moscow 125009, Russia; Bauman Moscow State Technical University, 5, Vtoraya Baumanskaya St., Moscow 105005 Russia; Scientific and Technological Center of Unique Instrumentation, Russian Academy of Sciences, 15, Butlerova St., Moscow 117342, Russia
Vladislav Ivanovich Pustovoyt
Institute of Radio Engineering and Electronics of RAN, Moscow, Russia
Valerii Vladimirovich Timoshenko
Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Russia

ABSTRAKT

A new method of the acoustic-optic spectrometer (AOS) spectrogram processing is proposed and justified. The method may be applied, after performing insignificant changes, to other types of spectrometers where a diffraction grating or Fourier Interferometers are used as dispersion elements. The results of numerical experiments of reconstructing the spectrum fine structure are presented for the cases when it is not observed in a spectrogram. The results obtained enable one to give practical recommendations concerning the enhancement of resolution of the new generation of AOS.


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