Parametric oscillatory instability in Fabry–Perot interferometerстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We present an approximate analysis of a nonlinear effect of parametric oscillatory instability in Fabry–Perot (FP)
interferometer. The basis for this effect is the excitation of the additional (Stokes) optical mode with frequency ω1 and of
the mirror’s elastic mode with frequency ωm when the optical energy stored in the FP resonator main mode with frequency ω0
exceeds the certain threshold and the frequencies are related as ω0 = ω1 + ωm. This effect is undesirable in laser gravitational
wave antennae because it may create a specific upper limit for the value of energy stored in FP resonator. In order to avoid it
the detailed analysis of the mirror’s elastic modes and FP resonator optical modes structure is necessary.