| Quote from #5851 |
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The recycling gain is determined by the optical configuration and the optical loss in the cavity.
How much is the actual recycling gain? And how does it affect the signal extraction?
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As Koji pointed out I made a wrong definition on the recycling gain of PRMI (Power-Recycled Michelson Interferomter).
In the correct definition the estimated recycling gain is 15.
In order to answer Koji's second question,which is about the effect on the signal extraction,
I need to scratch my head for a while.
( Give me some time..)
The value what I called "Recycling gain" must have been called "measured power build up" or something like that.
For clarity I put the definitions of the quantities.
Recycling gain :  Reflectivity of PRMI (measured by REFLDC): 
Power build up (measured by POY DC) : 
Mode Matching (MM) efficiency : 
Loss in the PRMI cavity : 
(Results of Measurement and Estimation)
Estimated recycling gain = 15
Estimated MM efficiency = 47.4%
Estimated Loss = 5.3%
Measured power build Up = 7
Measured reflectivity of PRMI = 0.5 |