Because I keep taking a long time to search for these, since I can't remember the keywords in the different entries, here are the links:
elog 3759 : Green X end aux laser temperature setting vs. PSL laser temperature setting
elog 4439 : Green Y end aux laser temperature setting vs. PSL laser temperature setting
More words: beat note, doubling, second harmonic.
Relevant results:
T_Xend = 8.31 + 0.9293*T_PSL
T_Yend = 6.9825 + 0.87326*T_PSL
Also, C1:GCY-SLOW_SERVO2_OFFSET was 29725 (twenty nine thousand seven hundred twenty five) cts when we sat down to start today.
C1:GCX-SLOW_SERVO2_OFFSET was 80 (eighty) cts when we sat down to start today. Why the offsets are so different, I don't know. But I was able to find the X green beatnote with this small number offset, so it is approximately correct. |