Sapphire Window Sapphire Window is made from Sapphire material at any size are available. Besides round, Sapphire windows at shape of quadrate, triangular, or other polygonal are available.
Sapphire Window
Sapphire Windows made by A-Star Optics in Fuzhou, China. Our sapphire windows are considered the best in the optical industry.
Sapphire Window is made from Sapphire material at any size are available. Besides round, Sapphire windows at shape of quadrate, triangular, or other polygonal are available.
Sapphire 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. |
Sapphire Window Typical Sizes:
| Round Shape: Diameter(mm): | Φ5.0 , Φ10.0, Φ12.7.0, Φ15.0,Φ20.0, Φ25.4, Φ38.1, Φ50.8, Φ76.2 |
| Square Shape: WxH(mm) | 5.0×5.0, 10.0×10.0, 15.0×15.0, 20.0×20.0, 25.0×25.0, 50.0×50.0 |
| Thickness: | 0.5,1.0,1.5, 2.0, 3.0, 4.0, 5.0,6.0, 8.0,10.0, 50.0 |
Dimensions are available upon your request.
We are the manufacturer and supplier of Sapphire Window in China, welcome to factory inspection .
Sapphire Windows
Custom-made Sapphire windows at any size are available. Besides round, Sapphire windows at shape of quadrate, triangular, or other polygonal are available
| 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 450 0) | <0.25mm |
| Coating | Uncoated, AR, HR, PR, Coating, etc. |
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.
Standard Sapphire Window series:
Diameter Tolerance: ———————– +0.0, -0.1mm
Thickness Tolerance: ———————- ±0.2mm
Clear Aperture: ——————————>80%
Parallelism: ———————————— 1arc minute
Surface Quality: —————————– 80/50 scratch and dig
Wavefront Distortion: ——————— l per 25mm @633mm
Bevel: ——————————————- Coating: —————————————- Uncoated
| Part No. | F( mm) | T (mm) |
| WIN3101 | 8.0 | 0.5 |
| WIN3102 | 12.7 | 1.0 |
| WIN3103 | 20.0 | 2.0 |
| WIN3104 | 25.4 | 1.0 |
| WIN3105 | 25.4 | 2.0 |
| WIN3106 | 30.0 | 2.0 |
Sapphire Windows
1.Features Extreme Surface Hardness Chemical Resistance
2.Transmits Wavelengths Ranging From UV to Mid-Infrared
3.Thinner and Stronger than Standard Glass Windows
Astar Sapphire Windows are manufactured from single crystal sapphire, making them ideal for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis. Sapphire is the second hardest crystal next to diamonds and, because of their structural strength, sapphire windows can be made much thinner than other common dielectric windows with improved transmittance. Chemically, sapphire is single crystal aluminum oxide (Al2O3) and is useful in a transmission range from 0.2 – 5.5μm.
Astar Customizing is available. The production and machining of sapphire bowl-shaped infrared window in different diameters could be available and a series of such products have already been produced(maximum diameter 200mm).(2.5mm Diameter Uncoated Sapphire Window is a example)
Optical Usage and sapphire,high purity monocrystalline sapphire Material sapphire windows
Sapphire crystal is extremely hard and scratch resistant usefully for the visible and IR spectrum It has excellent thermal conductivity at low temper atures allowing spphire to be used in many diverse fields requiring thermal conduction and heat radiation sapphire has high dielectric constant and is resistant to common chemical acids and alkaline,optical sapphire has no colouration and with a selection of grades of sapphire transmission ranging from 170nm to 6 microns window shall not brown when subjected to UV light