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Size: 4005
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← Revision 62 as of 2012-09-16 20:40:35 ⇥
Size: 4078
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| Deletions are marked like this. | Additions are marked like this. |
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| This subsystem provides the optical viewports mounted on the vacuum chambers to pass the optical beams into or from the LCGT in-vacuum interferometer. The optical beams include... |
. This subsystem provides the optical viewports mounted on the vacuum chambers to pass the optical beams into or from the LCGT in-vacuum interferometer. The optical beams include... |
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| Cryo-vacuum viewports are '''NOT''' included in the scope of this subsystem so far. | . Cryo-vacuum viewports are '''NOT''' included in the scope of this subsystem so far. |
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| At the viewports, we can extract optical beams from the interferometer placed inside the vacuum chambers. The optical beams would be utilized for length and alignment sensing and control scheme, optical levers for suspensions, and other monitoring devices (CCD or equivalent video cameras). |
. At the viewports, we can extract optical beams from the interferometer placed inside the vacuum chambers. The optical beams would be utilized for length and alignment sensing and control scheme, optical levers for suspensions, and other monitoring devices (CCD or equivalent video cameras). |
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| For example, the viewport would be equipped with * AR coating for 1064 nm and 532 nm * Wedge angle Details are described in ''Characteristics'' section. |
. For example, the viewport would be equipped with * AR coating for 1064 nm and 532 nm * Wedge angle . Details are described in ''Characteristics'' section. |
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| Beams for * Transmission of IR/Green lasers * Optical Lever transmitter/receiver * Video camera * Illumination * Diagnostic * (Squeeze) * (Spare) |
. Beams for * Transmission of IR/Green lasers * Optical Lever transmitter/receiver * Video camera * Illumination * Diagnostic * (Squeeze) * (Spare) |
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| TBD | . TBD |
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| Here, the number of viewports required by each subsystem at each vacuum chamber is listed. | . Here, the number of viewports required by each subsystem at each vacuum chamber is listed. |
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| ||<#FFFF00>Chamber Name||<#FFFF00>Type||<#FFFF00>Quantity||<#FFFF00>Purpose||<#FFFF00>Used By|| ||PRM||1064nm AR||1||REFL port||ISC|| ||PRM||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||PRM ||Visible||1||CCD||Everyone|| ||PR2||1064nm&532 dichroic AR||1 or 2||POP/Green||ISC|| ||PR2||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||PR2 ||Visible||1||CCD||Everyone|| ||PR3||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||PR3 ||Visible||1||CCD||Everyone|| ||BS ||1064nm AR||1||POX/POY beams||ISC|| ||BS ||!OpLev wavelength||2||Optical Lever||AOS/SUS|| ||BS ||Visible||1||CCD||Everyone|| ||ITMX||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ITMX||Visible||1||CCD||Everyone|| ||ITMY||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ITMY||Visible||1||CCD||Everyone|| ||ETMX||1064nm&532 dichroic AR||1||Transmission||ISC|| ||ETMX||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ETMX||Visible||1||CCD||Everyone|| ||ETMY||1064nm&532 dichroic AR||1||Transmission||ISC|| ||ETMY||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ETMY||Visible||1||CCD||Everyone|| ||SRM||1064nm AR||1||AS port||ISC|| ||SRM||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||SRM ||Visible||1||CCD||Everyone|| ||SR2||1064nm&532 dichroic AR||1 or 2||POS/Green||ISC|| ||SR2||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||SR2 ||Visible||1||CCD||Everyone|| ||SR3||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||SR3 ||Visible||1||CCD||Everyone|| |
||<#FFFF00>Chamber Name||<#FFFF00>Type||<#FFFF00>Quantity||<#FFFF00>Purpose||<#FFFF00>Used By|| ||PRM||1064nm AR||1||REFL port||ISC|| ||PRM||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||PRM ||Visible||1||CCD||Everyone|| ||PR2||1064nm&532 dichroic AR||1 or 2||POP/Green||ISC|| ||PR2||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||PR2 ||Visible||1||CCD||Everyone|| ||PR3||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||PR3 ||Visible||1||CCD||Everyone|| ||BS ||1064nm AR||1||POX/POY beams||ISC|| ||BS ||!OpLev wavelength||2||Optical Lever||AOS/SUS|| ||BS ||Visible||1||CCD||Everyone|| ||ITMX||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ITMX||Visible||1||CCD||Everyone|| ||ITMY||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ITMY||Visible||1||CCD||Everyone|| ||ETMX||1064nm&532 dichroic AR||1||Transmission||ISC|| ||ETMX||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ETMX||Visible||1||CCD||Everyone|| ||ETMY||1064nm&532 dichroic AR||1||Transmission||ISC|| ||ETMY||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||ETMY||Visible||1||CCD||Everyone|| ||SRM||1064nm AR||1||AS port||ISC|| ||SRM||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||SRM ||Visible||1||CCD||Everyone|| ||SR2||1064nm&532 dichroic AR||1 or 2||POS/Green||ISC|| ||SR2||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||SR2 ||Visible||1||CCD||Everyone|| ||SR3||!OpLev wavelength||2||!OpLev||AOS/SUS|| ||SR3 ||Visible||1||CCD||Everyone|| |
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| TBD | . TBD |
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| TBD | . TBD |
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| See [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1231|JGW-T1201231, Effect due to viewports for optical lever (in Japanese)]] | . See [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1231|JGW-T1201231, Effect due to viewports for optical lever (in Japanese)]] |
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| TBD | . TBD |
Viewports (at Room Temperature)
Related subgroups: MIR, IOO, MIF, VAC, CRY, VIS...
Contents
Scope
- This subsystem provides the optical viewports mounted on the vacuum chambers to pass the optical beams into or from the LCGT in-vacuum interferometer. The optical beams include...
Cryo-vacuum viewports are NOT included in the scope of this subsystem so far.
Applicable Documents
- Spec. for vacuum chambers
- Optical Layout Drawing of the LCGT interferometer
- Length Sensing and Control doc
- Alignment Sensing and Control doc
- Optical lever doc
- CCD Monitor doc
- Any...
General Description
- At the viewports, we can extract optical beams from the interferometer placed inside the vacuum chambers. The optical beams would be utilized for length and alignment sensing and control scheme, optical levers for suspensions, and other monitoring devices (CCD or equivalent video cameras).
- For example, the viewport would be equipped with
- AR coating for 1064 nm and 532 nm
- Wedge angle
Details are described in Characteristics section.
Functions
- Beams for
- Transmission of IR/Green lasers
- Optical Lever transmitter/receiver
- Video camera
- Illumination
- Diagnostic
- (Squeeze)
- (Spare)
Naming Conventions
- TBD
Locations
- Here, the number of viewports required by each subsystem at each vacuum chamber is listed.
Chamber Name
Type
Quantity
Purpose
Used By
PRM
1064nm AR
1
REFL port
ISC
PRM
OpLev wavelength
2
OpLev
AOS/SUS
PRM
Visible
1
CCD
Everyone
PR2
1064nm&532 dichroic AR
1 or 2
POP/Green
ISC
PR2
OpLev wavelength
2
OpLev
AOS/SUS
PR2
Visible
1
CCD
Everyone
PR3
OpLev wavelength
2
OpLev
AOS/SUS
PR3
Visible
1
CCD
Everyone
BS
1064nm AR
1
POX/POY beams
ISC
BS
OpLev wavelength
2
Optical Lever
AOS/SUS
BS
Visible
1
CCD
Everyone
ITMX
OpLev wavelength
2
OpLev
AOS/SUS
ITMX
Visible
1
CCD
Everyone
ITMY
OpLev wavelength
2
OpLev
AOS/SUS
ITMY
Visible
1
CCD
Everyone
ETMX
1064nm&532 dichroic AR
1
Transmission
ISC
ETMX
OpLev wavelength
2
OpLev
AOS/SUS
ETMX
Visible
1
CCD
Everyone
ETMY
1064nm&532 dichroic AR
1
Transmission
ISC
ETMY
OpLev wavelength
2
OpLev
AOS/SUS
ETMY
Visible
1
CCD
Everyone
SRM
1064nm AR
1
AS port
ISC
SRM
OpLev wavelength
2
OpLev
AOS/SUS
SRM
Visible
1
CCD
Everyone
SR2
1064nm&532 dichroic AR
1 or 2
POS/Green
ISC
SR2
OpLev wavelength
2
OpLev
AOS/SUS
SR2
Visible
1
CCD
Everyone
SR3
OpLev wavelength
2
OpLev
AOS/SUS
SR3
Visible
1
CCD
Everyone
Requirements
- TBD
Characteristics
- TBD
Inspection plans
Procurement process and plans
- TBD