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Fused Silica Windows

Fused Silica Windows is based on UV-grade synthetic fused silica. UV Fused Silica window provides better performance from UV to IR spectrum than BK7 windows. Also, it is the best choice in terms of thermal stability.
In addition to superior transmission characteristics, synthetic fused silica exhibits higher thermal properties, exceptional purity, and excellent environmental durability for demanding applications.

Main Specifications

 

Super Precision

High Precision

Standard Precision

Material

BK7 grade A optical glass

Size

Dia 5.0~80.0mm x thickness 0.5~10.0mm

Diameter Tolerance

+0/-0.10mm

Thickness Tolerance

�0.10mm

Clear Aperture

> 85%

Flatness (@633nm)

l /10

l /4

1 l per 25mm 

Parallelism

<10 arc seconds

<30 arc seconds

<1 arc minute

Surface Quality (S/D)

20/10

40/20

60/40

Bevel

0.25mm x 45�

Coating

Available upon request

Standard Products

Part No.

Diameter (mm)

Thickness (mm)

WIN-2101

10.0

3.0

WIN-2102

12.7

3.0

WIN-2103

15.0

3.0

WIN-2104

25.4

3.0