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Brief Communications

Selection of longitudinal modes of a high-pressure cw laser

A. A. Kovalev, A. S. Provorov, A. V. Shishaev


Abstract: Longitudinal modes emitted by a high-pressure cw CO₂ laser were selected with an Al diffracting film placed inside the resonator. The width of the transfer function of this selector was determined. It was found experimentally that the emission frequency could be tuned within a-wide range by scanning the film and one of the resonator mirrors.

UDC: 621.373.826

PACS: 42.55.Lt, 42.60.Pk, 42.60.Fc, 42.60.Jf

Received: 17.07.1974

 English version: Soviet Journal of Quantum Electronics, 1975, 5:1, 85–86