ECR: Move HAM6 BDV2 and corresponding V-beam dump to the upstream of QPD sled and beam splitter.

Document #:

LIGO-E1500272-v2

Document type:

E - Engineering documents

Abstract:

ECR for moving HAM6 BDV (beam diverter for OMCR path) to the upstream of QPD sled and the beam splitter to further reduce the back scatter in that path for O1.

Files in Document:

• E1500272-v2_ECRforBDVinHAM6.pdf (file is not accessible)

Other Files:

• E1500272-v2_ECRforBDVinHAM6.docm (file is not accessible)

Topics:

• System Engineering
• Installation
• Sensing and Control

Authors:

• Keita Kawabe
• Adam Mullavey

Keywords:

HAM6 beam diverter

Notes and Changes:

Typo in V1, i.e. "At LLO, ..... and the beam splitter between M11 and M12", was fixed to "At LLO, ..... and the beam splitter between M10 and M11"

---

See also ECR tracker entry:
https://services.ligo-wa.caltech.edu/integrationissues/show_bug.cgi?id=1069