Parallel Window, Nano-Textured UV Fused Silica, 25.4 mm, λ/10, 250-550 nm
Parallel Window, Nano-Textured UV Fused Silica, 25.4 mm, λ/10, 250-550 nm
Model: 10Q20RAR.S
Product Series Overview
Nanotexture Surface WindowsThe 10Q20RAR.S Laser Window is made of high purity UV Grade Fused Silica Corning 7980 grade 0A material. It is 25.4 mm diameter x 4.0 mm thick. The front and back surfaces have sub-wavelength nano-textures etched into the surface creating a high performance anti-reflection effect. The RAR.S pattern is optimized for 250-550 nm. The window exhibits λ/10 flatness and 10-5 scratch dig with high damage thresholds.
Specifications
- Diameter25.4 mm
- MaterialHigh Purity Fused Silica
- Antireflection Coating250-550 nm
- ReflectanceR<0.1% @ 250-360 nm, R<0.3% @ 400-550 nm
- Surface Flatnessλ/10 @ 632.8 nm
- Surface Quality10-5 scratch-dig
- Thickness4.0 mm
- Thickness Tolerance±0.15 mm
- Chamfers0.4 mm
- Chamfers Angle/Tolerance45 ±15°
- Clear Aperture≥ central 90% of diameter
- Diameter Tolerance+0.0 / -0.25 mm
- Wedge<2 arc min
Resources & Downloads
3D Product Models
Literature
Nano-Texture Optics(273.9 kB, PDF)
Other
10Q20RAR.S RoHS Certificate(268.3 kB, PDF) 10Q20RAR.S_ROHS2-2021.pdf(0, PDF)
2D Product Drawings
90086077B drawing.pdf(187.9 kB, PDF)
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