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UHV Viewports

* Product images and drawings are indicative; final dimensions per engineering drawing. Custom configurations available.

Sapphire Viewport

Sapphire Viewport Model: LBS-01

Sapphire viewport, 180–5000 nm transmission, high-temperature and corrosion resistant.

Specifications

Window Material Sapphire (UV / DUV grades)
Transmission Range 180 – 5000 nm
Vacuum Leak Rate UHV < 1×10⁻¹⁰ mbar·l/s
Flange CF / KF
Coating Custom AR coatings on request
Max Operating Temperature 200 °C

Technical Overview

UHV viewports transmit light into or out of a vacuum chamber through a fused silica or sapphire window brazed to a metal flange. Fused silica covers 200–3500 nm; sapphire extends from 180 nm to 5000 nm with higher mechanical strength.

Typical Applications

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