United Photonics Technology (UPT) Co., Ltd.
UPT - Windows
Windows are used to isolate different physical environments while allowing light to pass. A window is usually parallel and is likely to be anti-reflective coated. UPT offers all kinds of custom-made windows according to customers’ requirement:
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Note for Window:
- Windows made from materials such as N-BK7, Fused Silica, Sapphire, CaF2, Silicon, Borofloat, or other optical glass supplied by Schott and Chinese CDGM are available upon request.
- Custom-made windows at any size from Φ2.0mm to Φ350mm clear aperture are available.Besides round, windows at shape of square, triangular, or other shapes are also available.
- Thickness from 1.0mm to 50.0 mm is available upon request.
- 95% clear aperture is available upon request.
- Better bevel is available upon request.
- Windows with Anti-Reflective (AR), High-Reflective (HR), Partial-Reflective (PR) coating are available.
- Telecom Optical System
- Laser Optical System
- Instrument Optical System
- Material: BK7 Grade A Optical Glass
- Typical Diameter (Φmm): 8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8
- Typical Thickness (mm): 0.5, 1.0, 2.0, 3.0, 5.0, 6.0
- Diameter Tolerance (mm): +/-0.2 (General), +0.0/-0.02 (High Precision)
- Thickness Tolerance (mm): ±0.2 (General), ±0.05 (High Precision)
- Clear Aperture: >80% (Small Size), >95% (Large Size)
- Parallelism: 3 min. (General), 3 sec. (High Precision)
- Surface Quality: 80/50 (General), 10/5 (High Precision)
- Flatness (per 25mm@633nm): λ(General), λ/10 (High Precision)
- Bevel (face width x 450): <0.25mm
- Coating: Uncoated, AR, HR, PR, Coating, etc.