Brief Communications

Holographic spectroscopy with a transient reference wave

V. N. Borkova, V. A. Zubov, A. V. Kraĭskiĭ

P. N. Lebedev Physical Institute, the USSR Academy of Sciences, Moscow

Abstract: An analysis is made of the process of obtaining information on the spectrum of laser-radiation modulation resulting from the interaction between the radiation with an object or a substance. The process is based on holographic recording of the information on a transient signal and extraction of the spectral data. A theoretical analysis is made of the variant when the spectral resolution representing a fraction of a hertz is considerably greater than the width of the laser radiation spectrum. Experiments are reported to confirm the feasibility of the method and its high spectral resolution.

UDC: 778.38

PACS: 42.40.My, 07.65.Gj

Received: 03.12.1979

 English version: Soviet Journal of Quantum Electronics, 1980, 10:10, 1269–1270

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