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Entry  Tue Jun 29 14:27:10 2010, Jenna, Laser, GYRO, Comparison of frequency noise and mechanical noise for the gyro cavity frequency_and_mechanical_noise.png
    Reply  Tue Jun 29 15:41:01 2010, Alastair, Laser, GYRO, Comparison of frequency noise and mechanical noise for the gyro cavity 
       Reply  Tue Jun 29 17:48:31 2010, Zach, Laser, GYRO, Comparison of frequency noise and mechanical noise for the gyro cavity 
       Reply  Wed Jun 30 00:35:28 2010, rana, Laser, GYRO, Comparison of frequency noise and mechanical noise for the gyro cavity 
Message ID: 843     Entry time: Wed Jun 30 00:35:28 2010     In reply to: 841
Author: rana 
Type: Laser 
Category: GYRO 
Subject: Comparison of frequency noise and mechanical noise for the gyro cavity 

I think its still worth measuring. If you really measure just the frequency noise of the laser that's great. For the second measurement you just rotate the output mirror by 90 deg and make a balanced homodyne Mach Zender measurement of the mirror motions which rejects frequency noise.

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