Email to USA
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Email to Rest of WorldCF Flanged Exotic Glass Viewports Features:
- Built from the highest-quality materials to UHV standards
- Compatible with vacuum systems capable of reaching UHV levels
- Viewports should be sealed with fully annealed copper gaskets to reduce induced strain
- If the process deposits material, we strongly recommend a viewport shutter because deposits can damage and impair the optical properties of the lens.
Exotic Glass Features:
- Leak Rate <2x10-10 atm cc/sec He
- Parallelism <3 Arc Minutes
- 304L Stainless Steel Flange
- λ/4 @ 632nm Transmitted Wavefront
Notes: All viewports are fragile and should be handled and mounted with extreme caution. CF flanged viewports require a fully annealed copper gasket. Never scratch the viewing area—a weakened viewport may implode (or explode under wrong conditions). Make sure the "glass" chosen has a reasonable transmission at the wavelengths of interest. And remember, what is not transmitted may be reflected or absorbed.
