|
Size: 958
Comment:
|
Size: 996
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 5: | Line 5: |
| || HR Transmission 1064 nm || 0.014 * || 10 ppm ||0.03 +/-0.003||0.10 +/- 0.005|| <0.01 || | || HR Transmission 1064 nm || 0.014 * || 10 ppm ||0.055 +/-0.003||0.10 +/- 0.005|| <0.01 || |
| Line 7: | Line 7: |
| || AR Reflection 1064 nm || < 1000 ppm || < 100 ppm ||< 1000 ppm||< 1000 ppm|| <0.01 || | || AR Reflection 1064 nm || < 1000 ppm || < 100 ppm ||< 300 ppm||< 300 ppm|| <0.01 || |
| Line 9: | Line 9: |
| || ROC || Flat (>5 km) || 57.5 m? || 96.0 +50/-0|| 116.3** || inf || | || ROC || Flat (>5 km) || 57.5 m? || 96.3 +50/-0 (96**)|| 117.1+50/-20 (116.3**) || inf || |
| Line 16: | Line 16: |
| Draft zip file of specs in .doc format: attachment:40mCOC-080630.zip | Draft zip file of specs in .doc format: attachment:40mCOC-080723.zip |
| Line 18: | Line 18: |
| Considerations on the parameters of PRC/SRC [[RCParams]] | [[Upgrade_08/Optics/RCParams|Considerations on the parameters of PRC/SRC]] |
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 |
0.055 +/-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 |
< 300 ppm |
< 300 ppm |
<0.01 |
AR Reflection 532 nm |
<0.01 |
< 1000 ppm |
n/a |
n/a |
|
ROC |
Flat (>5 km) |
57.5 m? |
96.3 +50/-0 (96**) |
117.1+50/-20 (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-080723.zip