This article is cited in 1 paper

Physical processes in lasers

Characteristic features of field broadening in intracavity frequency-modulation spectroscopy

M. V. Danileĭko, V. N. Nechiporenko, L. P. Yatsenko


Abstract: An analysis is made of the characteristic features of the field-induced broadening in intracavity frequency-modulation spectroscopy. Simple but effective methods for eliminating field broadening of nonlinear resonances are proposed. It is shown that in the case of frequency-modulation resonances of the dispersion and absorption, which set the detuning from the center of the absorption line to a value equal to the modulation frequency, and also in the case of dispersion resonances, which set the detuning at zero, it is possible to avoid the field-induced broadening by a suitable selection of a specific frequency modulation index.

UDC: 621.373.826.038.823

PACS: 42.62.Fi, 42.60.Da, 42.60.Fc, 42.50.Gy

Received: 12.01.1990

 English version: Soviet Journal of Quantum Electronics, 1990, 20:11, 1356–1359

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