Analysis of parametric oscillatory instability in signal recycled LIGO interferometerстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We present the analysis of undesirable effect of parametric oscillatory instability in signal recycled LIGO interferometer. The basis for this effect is the excitation of the additional (Stokes) optical mode, with frequency omega(1), and the mirror elastic mode, with frequency omega(m) when optical energy stored in the main FP cavity mode, with frequency omega(0), exceeds the certain threshold and the frequencies are related as omega(0) similar or equal to omega(1) + omega(n). We show that possibility of parametric instability in this interferometer is relatively small due to small bandwidth of interferometer. We propose to "scan" the frequency range where parametric instability may take place varying the position of signal recycling mirror. (c) 2006 Published by Elsevier B.V.