Today I looked at the output voltage from REFLduring H1 locks at 22W, 31W, and 50W input power, and calulated how the output voltage increased with input power to H1.
22W | 31W | 50W |
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In the above chart the incident power at 50W is calculated from the measured 22W power budget numbers.
I used the 22W incident power to get a conversion from mW to counts on REFL_DC_INMON, and used that conversion to calculate the incident power at 31W and 50W.
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At 50W input power REFL sees 82mW incident power.
Above is incorrect (unlocked numbers, not locked).
Numbers below are calculated, based on unlocked transmition through the HWP and CWP in the IMC MCR path.
input power | REFL DC | incident power | mW/count | incident power |
measured, Watts | measured, counts | calculated, uW | calculated, uW | |
22 | 520 | 8 | 0.0154 | |
31 | 1137 | 17 | ||
50 | 1586 | 24 |