Vacuum optics

Windows

Typ: Broadband precision wedged window (https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=8430&pn=WW11050-C)
Ordering No.: WW11050-C
Wavelength: 1050 - 1700 nm
Wedge Angle: 30 +/- 10 arcim
Subsrtate: N-BK7 (Datasheet: https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=6973&tabname=N-BK7)
Diameter: Ø1“ 25.4 mm +0.0/-0.2mm
Thickness 5.0 mm +/- 0.1mm
Clear Aperture: >= Ø22.86 mm
Surface Flatness: ≤λ/20 Over Central Ø10 mm; ≤λ/10 Over Entire Clear Aperture
Surface Quality: 20-10 Scratch-Dig
Reflectance Over AR Coating Range: R_avg < 0.5% @ 0° AOI