E080512_ETM_Polishing_Specification

Document #:

LIGO-E080512-v3

Document type:

E - Engineering documents

Abstract:

Advanced LIGO ETM Polishing Specification

Files in Document:

• E080512 ETM Spec-v3.pdf (85.1 kB)

Other Files:

• E080512 ETM Spec-v3.doc (452.5 kB)

Topics:

• Final Design
• Core Optics

Authors:

• Mick Flanigan

Notes and Changes:

ETM E080512-V2
FROM
Optical Surface Figure, measured over the central 160 mm diameter
Surface 1: Spherical, concave. Radius of curvature: 2245 m ± 3 m.

TO - V3
Optical Surface Figure, measured over the central 160 mm diameter
Surface 1: Spherical, concave. Radius of curvature (R): 2245 m -5, +15 m absolute accuracy
ROC precision: R ± 3 m where 2240 m = R = 2260 m for all ETM optics

Referenced by:

• LIGO-E0900095-v1: DCN for Advanced LIGO Polishing Revision ITM and ETM