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40m Log |
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Message ID: 360
Entry time: Wed Mar 5 12:51:48 2008
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Author: |
John |
Type: |
Summary |
Category: |
LSC |
Subject: |
Initial Ligo Arm finesse versus lambda |
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I've taken the coating recipes for the initial ligo arm cavity from Rana's web page (ligo.caltech/edu/~rana/mat/)
and plotted the finesse as a function of wavelength. There is some uncertainty over the indices of refraction but
the main conclusion remains unchanged - i.e. it appears that using other wavelengths will be difficult.
Stefan is looking at how to tune the layers of any new mirrors to make dichroic optics. |
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