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=== SVN archive ===
[[https://granite.phys.s.u-tokyo.ac.jp/svn/LCGT/trunk/GreenLock/|SVN directory]]

..Up

Lock Acquisition

Lock acquisition scheme has to be planed carefully because it was a big problem in the first generation large-scale interferometers.

Probabilistic lock (a.k.a. lucky lock) won't probably work. Other locking schemes such as the arm pre-locking has to be considered.

Auxiliary Lock System

Also known as green laser lock, this scheme will make use of auxiliary lasers to lock the arm cavities first.

SVN archive

SVN directory

Oscillator phase noise requirement for PLL local oscillator

See here.

Overview of Green Lock Scheme

LCGT/subgroup/ifo/ISC/TaskList/LockAcquisition (last edited 2012-05-08 16:20:01 by YoichiAso)