Sapphire Windows

Note for Sapphire Window:

(1). Custom-made Sapphire windows at any size are available.
Besides round, Sapphire windows at shape of quadrate, triangular, or other polygonal are available
(2). Other thickness from 0.5mm to 50.0 mm is available upon request.
(3). Better bevel is available upon request.
(4). Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are available.

Note for Sapphire Window:

Attribute	Specification
Typical Diameter (Φmm)	8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0
Typical Thickness (mm)	0.5, 1.0, 2.0
Diameter Tolerance (mm)	+0.0/-0.2 (General), +0.0/-0.1 (High Precision)
Thickness Tolerance (mm)	±0.2 (General), ±0.05 (High Precision)
Clear Aperture	>75% (Small Size), >90% (Large Size)
Parallelism	3 min. (General), 10 sec. (High Precision)
Surface Quality	80/50 (General), 40/20 (High Precision)
Flatness (per 25mm@633nm)	λ(General), λ/4 (High Precision)
Bevel (face width x 45^。)	<0.25mm
Coating	Uncoated, AR, HR, PR, Coating, etc.

Fused Silica Windows CaF2 Windows

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Note for Sapphire Window:

Note for Sapphire Window: