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## page was renamed from Upgrade 09/Optics


►Folding mirrors

We use 2inch mirrors (d2" x t3/8") mirrors for the PRC/SRC folding mirrors.

Their name has been changed such that the definition agrees with the AdvLIGO naming. (12/01/2009)

Specs of the folding mirrors (as of Dec 16, 2009)

Name

PR2

PR3

SR3

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

44 deg

6 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

R for 532nm to be considered!


►Miscellaneous Optics (as of May 12, 2010)

Reflectivity and Transmissivity measurement for various mirrors with 523nm and 1064nm

Optical Layout

attachment:40m_optics_list_upgrade_100512.png

attachment:40m_optics_list_upgrade_100512.pdf

attachment:40m_optics_list_upgrade_100512.xls

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