Stable optical spring in the Advanced LIGO detector with unbalanced arms and in the Michelson-Sagnac interferometerстатья
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Дата последнего поиска статьи во внешних источниках: 18 ноября 2014 г.
Аннотация:Optical rigidity in the Advanced LIGO gravitational-wave detector, operated on the dark port regime, is
unstable. We show that the same interferometer with excluded symmetric mechanical mode but with
unbalanced arms allows us to get stable optical spring for the antisymmetric mechanical mode. The arm
detuning necessary to get stability is shown to be a small one—it corresponds to small power in the signal
port. We show that stable optical spring may be also obtained in the Michelson-Sagnac interferometer with
both power and signal recycling mirrors and unbalanced arms.