aLIGO TCS .25'' Thick Optical Window

Document #:

LIGO-D1100539-v2

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-v2_aLIGO TCS_ .25 IN THICK OPTICAL WINDOW.PDF (file is not accessible)

ICS/JIRA Record:

• ICS_LINK

Topics:

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

Authors:

• Alexander Lynch
• Mindy Jacobson

Keywords:

aLIGO TCS Viewports Laser

Notes and Changes:

-v2 is for prototyping & production

Related Documents:

• LIGO-D1100494: aLigo TCS .25'' Thick Optical Window Clam Shell Assy

Referenced by:

• LIGO-E1200247: DCN, aLIGO TCS VIEWPORT ENCLOSURE ASSEMBLY, H1-L1 CO2 LASER PROJECTION
• LIGO-D1101627-v4: Viewport Enclosure Assembly, H1-L1 CO2P TCS