Note for Fused Silica Window:

(1). Custom-made Fused Silica windows at any size from Φ2.0mm to Φ350mm clear aperture are available.
Besides round, Fused Silica windows at shape of quadrate, triangular, or other polygonal are available 
(2). Thickness from 1.0mm to 50.0 mm is available upon request.
(3). 100% clear aperture is available upon request.
(4). Better bevel is available upon request.
(5). Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are available.

Note for Fused Silica Window

Attribute Specification
Typical Diameter (Φmm) 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 38.1, 50.8
Typical Thickness (mm) 2.0, 3.0, 6.0, 6.35
Diameter Tolerance (mm) +0.0/-0.2 (General), +0.0/-0.02 (High Precision)
Thickness Tolerance (nm) ±0.2 (General), ±0.005 (High Precision)
Clear Aperture >80% (Small Size), >95% (Large Size)
Parallelism 3 min. (General), 3 sec. (High Precision)
Surface Quality 60/40 (General), 10/5 (High Precision)
Flatness (per 25mm@633nm) λ /2(General), λ/20 (High Precision)
Bevel (face width x 45) <0.25mm
Coating Uncoated, AR, HR, PR, Coating, etc.


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