Windows
CPG manufactures high precision windows for demanding applications in the infrared. These windows are fabricated from a variety of materials including fused silica, Si, Ge, ZnSe, ZnS, CaF2, MgF2, Cleartran and AMTIR. Utilizing advanced fabrication and coating techniques, CPG delivers windows with tightly controlled transmitted wavefront, a high degree parallelism, minimal scatter, high laser damage resistance and outstanding durability for the most challenging environments.
Specification
Items | Description | |
Sapphire Window | Material: | Sapphire,C-axis |
Diameter: | 50.8+0.00/-0.02mm | |
Thickness: | 5.0+/-0.1mm | |
R1: | Infinity | |
R2: | Infinity | |
Flatness: | S1&S2:N/A | |
Surface quality: | S1&S2:S-D 40-20 | |
Parallelism: | <3arcmin | |
Clear aperture: | >90% | |
Chamfer: | Protected | |
Coating: | Uncoated | |
Standard: | MIL-PRF-13830B |
Interferograms with Zygo

Inspection

Other Windows CPG handle

Why CPG
COST, PRECISION, G+ SERVICE
CPG optics has over 20 years experiences in optics industry, we provide a variety of different material fabricating and coatings, and we always aim to be a trustful supplier for all the customers.
Our in-house optical metrology capability ensures the all the requirements for the parts are within the specs:
- Zygo Interferometer
- Wyko Cylinder Interferometer
- Agilent Cary 7000 Spectrometer
- Optical Bench
- Moller-wedel Goniometer
- Taylor Hobson Profiler
- Mitutoyo Projector
- Zygo Roughness Meter
- CMM
- Stress Measuring
- Satisloh Spherometer
- Trioptics Centering
Certificates
Packaging& Shipping
Package detail:
Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc
Customized safety green carton
Shipping term: