Products

Optical glass window of big size

Material: bk7, fused silica ,Sapphire
Diameter: +/-0.1mm
Tolerance: +/-0.1mm
Sphericity: 3(0.5)
Surface Quality: 40/20
Coating: with/without
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Diameter

50~200m

Diameter Tolerance

+ / -0.1mm

Thickness

3.0 mm

5.0 mm

Thickness Tolerance

≤3 arcmin

Surface Flatness

60-40

Wavelength Range

150 nm - 4.5 μm(Uncoated)

1.65 - 3 µm (-D Coating)

2.0 - 5.0 µm (-E1 Coating)

Substrate

bk7, fused silica ,Sapphire


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