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V I Astakhov, N V Vanin, V V Galaktionov, V M Dorokhov, V M Zakharov and V U Khattatov
© 1979 American Institute of Physics
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Citation V I Astakhov et al 1979 Sov. J. Quantum Electron. 9 1245
DOI 10.1070/QE1979v009n10ABEH009509
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A prototype four-channel heterodyne spectrometer was developed, having a threshold sensitivity of 2 × 10–19 W/Hz in the λ = 9.586 μ region. The transmission through the full thickness of the earth's atmosphere was investigated along inclined paths with a spectral resolution of 0.002 cm–1.