Optical Mirror

Featured Product from Foctek Photonics, Inc.

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FOCtek offers dielectric coated mirrors and metal coated mirrors which are made of substrate such as Bk7, K9, Fused Silica, CaF2, Sapphire and so on.


**Coating Curve of Metal Reflection Coating please refer to Part 4 Coating of our Catalog

Attribute Specification 
Material BK7, K9, Fused Silica, etc. 
Typical Diameter (Φmm) 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8, etc. 
Diameter Tolerance (mm) 0.0/-0.2 (General), 0.0/-0.02 (High Precision) 
Typical Thickness (mm) 2.0, 3.0, 6.0, 6.35 
Thickness Tolerance (mm) ±0.2 (General), ±0.005 (High Precision) 
Clear Aperture >80% (mall Size), >95% (arge Size) 
Flatness (per 25mm@633nm) λ (General), λ/10 (High Precision) 
Incidence Angle 0°or 45° 
Surface Quality 60/40 (General), 10/5 (High Precision) 
Parallelism 3 min. (General), 3 sec. (High Precision) 
Bevel (face width x 450) <0.25mm  

Note for Mirror:
(1). Other optical glass or optical crystals of Mirrors are available.
(2). Custom-made Mirrors at any size from diameter 2mm to diameter 300mm and with shape of quadrate,
triangular or other polygonal are available upon request.
(3). Thickness from 1mm to 20mm are available upon request.
(4). Typical surface quality is 60/40, better precision such as 40/20,10/5 is available upon request.