We can make kinds of Optical Windows from Borosilicate Glass, Borofloat, Quartz (Fused silica) and other Chinese substitution materials. This borofloat window can bear high or low temperature impact very well.
Borofloat Window
Borofloat Window is made by SCHOTT Borofloat 33 or Plexy . Can be custom-made at any size. Besides round, Borofloat windows at shape of quadrate, triangular, or other polygonal are available
Borofloat Window Specifications:
| Attribute | General | High Precision |
| Dimension Tolerance: | +0.0/-0.2mm | +0.0/-0.02mm |
| Thickness Tolerance: | ±0.2mm | ,±0.005 |
| Surface Quality: | 60/40 | 10/5 |
| Clear Aperture: | ＞90% | ＞95% |
| Flatness: | λ/2 | λ/10 |
| Parallelism: | <3 arc min. | <3 arc sec. |
| AR Coated: | Uncoated, AR, HR, PR, etc. | Uncoated, AR, HR, PR, etc. |
Typical Sizes:
Dimensions are available upon your request.
Borofloat Windows
Custom-made Borofloat windows at any size are available. Besides round, Borofloat windows at shape of quadrate, triangular, or other polygonal are available
We can make kinds of Optical Windows from Borosilicate Glass, Borofloat, Quartz (Fused silica) and other Chinese substitution materials.
This borofloat window can bear high or low temperature impact very well. Different shapes, good quality and competitive price.
| Attribute | Specification |
| Typical Diameter (Φmm) | 8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0 |
| Typical Thickness (mm) | 1.0 ～ 50.0 |
| Diameter Tolerance (mm) | +0.0/-0.2 (General), +0.0/-0.02 (High Precision) |
| Thickness Tolerance (mm) | ±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/10 (High Precision) |
| Bevel (face width x 450) | <0.25mm |
| Coating | Uncoated, AR, HR, PR, Coating, etc. |
Note for Borofloat Window:
(1). Custom-made Borofloat windows at any size are available.
Besides round, Borofloat 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). Better bevel is available upon request.
(4). Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are available