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| Considerations on the ROC of PRM/SRM | Considerations on the parameters of PRC/SRC [[RCParams]] |
Coatings and Optics
This is a work in progress area for what optic and coatings we need.
Parameter |
ITMs |
ETMs |
PRM |
SRM |
FM (4x) |
HR Transmission 1064 nm |
0.014 * |
10 ppm |
0.03 +/-0.003 |
0.10 +/- 0.005 |
<0.01 |
HR Transmission 532 nm |
< 1000 ppm |
0.10 |
n/a |
n/a |
n.r. |
AR Reflection 1064 nm |
< 1000 ppm |
< 100 ppm |
< 1000 ppm |
< 1000 ppm |
<0.01 |
AR Reflection 532 nm |
<0.01 |
< 1000 ppm |
n/a |
n/a |
|
ROC |
Flat (>5 km) |
57.5 m? |
96.0 +50/-0 |
116.3** |
inf |
Wedge angle |
1 deg (+/- 0.2 deg) |
1 deg |
1 deg |
1 deg |
1 deg |
BRBR* T_ITMnom = 0.014 +/- 0.002. All 3 ITMs in the same coating run to match the T, i.e. T_ITMY - T_ITMX < 0.0003. Tolerance in T_ITMnom is larger. ** Based on ETM and ITM ROC, assuming inf. thin optics.
Draft zip file of specs in .doc format: attachment:40mCOC-080630.zip
Considerations on the parameters of PRC/SRC RCParams