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Revision 23 as of 2009-06-04 01:14:13
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Deletions are marked like this. Additions are marked like this.
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|| ROC || Flat (>5 km) || || 57.5 m? || 96.3 +50/-0 (96**)|| 117.1+50/-20 (116.3**) || inf || || ROC || Flat (>5 km) || 57.5 m? ||115.5 --(96.3 +50/-0 (96**))--|| 142 --(117.1+50/-20 (116.3**))-- || inf ||

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?

115.5 96.3 +50/-0 (96**)

142 117.1+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


Specs of the folding mirrors for the recycling cavities

Name

PR1

PR2

SR1

SR2

Size

2"dia. X 3/8" thick

2"dia. X 3/8" thick

2"dia. X 3/8" thick

2"dia. X 3/8" thick

Incident angle

2.5 deg

36.5 deg

39.9 deg

17.1 deg

HR Transmission 1064 nm

500ppm

< 100 ppm

< 100ppm

< 100ppm

AR Reflection 1064 nm

< 0.25%

< 0.25%

< 0.25%

< 0.25%

ROC

Flat

Flat

Flat

Flat

Wedge angle

1 deg

1 deg

1 deg

1 deg

Qty.

2

2

2

2


Considerations on the parameters of PRC/SRC

Aux_Optics (last edited 2019-02-11 17:51:04 by GautamvenugopalanATligoDOTorg)