Control of laser radiation parameters

Condensation of the emission spectrum of a laser with a lens-like absorbing medium in the resonator

M. V. Danileĭko, V. S. Voĭtsekhovich, A. M. Negriiko, V. M. Khodakovskii, L. P. Yatsenko


Abstract: An investigation was made of the emission spectrum of a cw dye laser with an intracavity lens-like absorbing medium. The emission spectrum of the frequency-locked laser was obtained as a function of the oscillator strength of the absorption line and the resonator tuning, and measurements were also made of the selective reduction in the losses near the absorption line (10 ^{– 4}–10 ^{– 5} cm ^{– 1}). It was confirmed experimentally that the reason for the frequency locking of the laser radiation was a reduction in the diffraction losses in the resonator under the action of the lens-like properties of the absorbing medium.

UDC: 621.373.826.038.823

PACS: 42.55.Mv, 42.60.Pk, 42.60.Da, 42.79.Bh, 42.60.Fc, 42.60.Jf

Received: 06.04.1989

 English version: Soviet Journal of Quantum Electronics, 1990, 20:6, 647–650

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