Abstract:
Attention is drawn to the possibility of generating Cherenkov optical parametric oscillations with a tunable frequency in a "double" Fabry–Perot interferometer placed inside a laser resonator. A theory of such oscillations is given. Expressions are obtained for steady-state radiation intensities and for the efficiency of conversion of laser radiation into a coupled parametric oscillation mode. The high (of the order of unity) efficiency and the low threshold of parametric oscillations (corresponding to a laser output power of the order of 10–4 W) should make it possible to use low-power cw lasers as pump sources.
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