FIELD: laser engineering.
SUBSTANCE: in holmium laser for parametric light generator pumping including pumping source and arranged in optical resonator two-pass active element, Q-switch, made from material with crystalline structure, new feature is, that Q-switch combines functions of polarizer and spectral selector and represents acoustooptical filter based on paratellurite crystal, with shape, providing alignment of diffracted beam axis at crystal output with optical resonator axis.
EFFECT: technical result is higher efficiency of parametric light generator pumping and accuracy of spectral analyses, as well as laser simplified optical circuit and reduced power consumption.
1 cl, 1 dwg
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