Installation Procedure for Photon Calibrator In-vacuum Periscope Assembly

Document #:

LIGO-E1300477-v7

Document type:

E - Engineering documents

Abstract:

Step-by-step procedure for installing the Pcal periscope assembly inside the A7 adapter at the end stations.

Files in Document:

• E1300477-v7 Pcal Periscope Install Procedure.pdf (file is not accessible)

Other Files:

• E1300477-v7 Pcal Periscope Install Procedure.docx (file is not accessible)

Topics:

• Installation
• Auxiliary Optics

Authors:

• Richard Savage

Notes and Changes:

Positioning and Alignment specifications (Table 1) revised to reference "IFO Laser Beam axis", previously referencing "BT Centerline".

Vertical and Horizontal displacement tolerances changed-
FROM: +/-2 mm
TO: +/-1.4 mm

Angular Orientation tolerance resolved to Azimuth and Elevation-
FROM: +/-0.2 mrad (absolute)
TO: Azimuth +/-0.14 mrad, Elevation +/-0.14 mrad

Referenced by:

• LIGO-E1200485: AOS IAS - Initial Alignment Document Tree (Index)
• LIGO-D1200174-v9: aLIGO, PCAL-VIDEO CAM, PERISCOPE