aLIGO TCS .25'' Thick Optical Window

Document #:

LIGO-D1100539-v1

Document type:

D - Drawings

Abstract:

Diameter: 3.000'', (+/-0.010)
Clear Aperture: 2.75''
Thickness: 0.250'' +/-0.010
Wedge: 3min. +/- 2min
Wavefront distortion across any 20 mm
diameter within the clear aperture: 1/10 Lambda @ 633 nm wavelength
Edge chamfer: 0.010'' @ 45 deg +/-10deg
Surface Quality: 10-5 laser quality
Material: Optical grade "A" fused silica(Hereaus Infrasil 301-A, Herasil 1-A, Suprasil 311-A, or Suprasil 312-A)

Files in Document:

• D1100539-v1_aLIGO TCS VIEWPORT, FUSED SILICA, .25 IN T...PDF (54.0 kB)

ICS/JIRA Record:

• ICS_LINK

Topics:

• Preliminary Design
• Fabrication
• Vacuum
• Auxiliary Optics
• Final Design

Authors:

• Austin Langley

Keywords:

aLIGO TCS Viewports Laser

Notes and Changes:

-v1 is competitively bid for production

Related Documents:

• LIGO-D1100494: aLigo TCS .25'' Thick Optical Window Clam Shell Assy
• LIGO-E990086: COMPONENT SPECIFICATION - COS Viewport Window