Status report for in-vac RF PDs and RF QPDs (Extended chief meeting on Dec 9, 2025)

Document #:

JGW-G2517020-v1

Document type:

G

Submitted by:

Yuta Michimura

Updated by:

Yuta Michimura

Document Created:

04 Dec 2025, 00:59

Contents Revised:

04 Dec 2025, 01:22

Metadata Revised:

04 Dec 2025, 01:22

Abstract:

Status report for in-vac RF PDs and RF QPDs, to be presented at extended chief meeting on Dec 9, 2025
Includes the enclosure design, layout design, periscope design and cabling

Files in Document:

• InVacPDQPDStatus20251209.pdf (459.5 kB)
• InVacPDQPDStatus20251209.pptx (1.3 MB)

Topics:

• Detector:Vacuum
• Activity:KAGRA
• Management:Collaboration meeting:Chief meeting
• Detector:Circuits
• Detector:Interferometer Sensing and Control

Authors:

• Yuta Michimura

Keywords:

in-vac PD QPD enclosure layout

Related Documents:

• JGW-D2517008: Periscope design for OMC REFL
• JGW-G2516769: Status report for in-vac PD and QPD enclosure and layout design (O5 upgrade strategy meeting on Aug 6, 2025)
• JGW-D2516705: 20250904_OMC chamber 3D drawing
• JGW-D2416111: [CONFIDENTIAL] Drawings for LSC RF PD In-vac Enclosure
• JGW-G2516702: 20250530_RFQPD and RFPD Optical Layout of REFL Port_2D
• JGW-T2416178: Rough Sketch of In-Vac PD and QPD Layout Plans
• JGW-T2516991: Cabling for in-vac RF PDs and RF QPDs

Approved for use in external presentations:

Unapproved