MPF manufactures Sapphire and Fused Silica viewports using proprietary vacuum brazing and welding techniques. Sapphire viewports are available with view diameters up to 3 inches, and are bakeable to 450˚C. Single crystal, sapphire windows, with either 0˚ or 90˚ orientation, offer excellent transmission from 250 nm to 4 microns.
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