Sumary of Alignment Scheme of KAGRA in O3GK (~2020)

Document #:

JGW-T2112594-v5

Document type:

T

Submitted by:

Yuta Michimura

Updated by:

Yuta Michimura

Document Created:

01 Mar 2021, 16:46

Contents Revised:

15 Apr 2021, 14:30

DB Info Revised:

15 Apr 2021, 14:30

Abstract:

Summary of alignment scheme of KAGRA as of 2020.
Daily alignment for locking and ASC after locking are discussed.
Initial alignment is not discussed here.

Also attached hand-writing note by Masayuki Nakano.

Files in Document:

• AlignmentSchemeO3GK.pdf (574.1 kB)
• AlignmentSchemeO3GK.ppt (4.2 MB)

Other Files:

• メモ 2021-03-01.pdf (2.5 MB)

Topics:

• Activity:KAGRA
• Detector:Interferometer
• Detector:Interferometer Sensing and Control:Alignment Sensing and control

Authors:

• Yuta Michimura
• Masayuki Nakano

Keywords:

ISC MIF ASC daily alignment SAL BPC dither ADS

Related Documents:

• JGW-G2011544: KAGRA beam alignment manual for beginners in O3
• JGW-T1604823: Initial Alignment Procedure for iKAGRA
• JGW-T1605692: Commissioning Procedure for bKAGRA Phase 1
• JGW-G1808462: Initial Alignment Plan Toward X (& Y) Arm Commissioning
• JGW-G2011687: ASC Status and To-Dos
• JGW-T2112593: Cable diagram (PSL, IOO, IOO1, ALS0, ALS1, LSC0, ASC0)

Referenced by:

• JGW-G2113198: External Review for KAGRA Interferometer Alignment Controls
• JGW-G2214532: Review of initial alignment procedure