Specification : 40m dichroic RC folding mirrors

Document #:

LIGO-E1700016-v4

Document type:

E - Engineering documents

Abstract:

Specification for 2” diameter optic to replace existing (convex) PR3/SR3 at the CIT 40m

Files in Document:

• PR3/SR3 spec (E1700016_v4.pdf, 1.9 MB)

Other Files:

• Expected distributions of R and T on AR side (AR_consolidated.pdf, 55.9 kB)
• Expected distributions of R and T on HR side (PR3_HR_consolidated.pdf, 51.1 kB)
• Optimized layer structure for HR and AR coatings (PR3_Layers.xlsx, 37.4 kB)
• PR3/SR3 spec (E1700016_v4.docx, 147.3 kB)

Topics:

• Upgrades
• Basic R&D

Authors:

• Gautam Venugopalan
• Eric Gustafson
• Eric Quintero
• Rana Adhikari
• Koji Arai
• Steve Vass

Keywords:

40m PR3 SR3 RC folding mirror dichroic

Notes and Changes:

v4 - updated MC numbers, adding spreadsheet with histograms from MC analysis. Also added some details about the coating optimization and the assumed dispersion relation.