Vacuum Optics Catalogue - March 2022

Facilities
Facilities
All brazed and welded components are leak
tested using TSL’s Inficon mass spectrometer
helium leak tester.
Cleaning and assembly of UHV instrumentation
takes place in laminar flow cabinets in
cleanroom conditions.
The e-beam vacuum coating system is used
predominantly to process anti-reflective
coatings. TSL upgraded the electronic control
units on the e-beam system in 2009
in partnership with Ferrotec, specialists in
electron beam evaporator equipment. The
upgrade has improved efficiency and reliability
of the anti-reflecting coating process.
Viewports are coated to customer specified
wavelengths of application.
Torr Scientific invested in a new Perkin Elmer
UV/Vis/IR Spectrophotometer in January
2011. The spectrophotometer extends
the range at which the company is able to
measure both reflectance and transmission
to between 190 nm and 3.2 microns. The
instrument is used as an inspection tool
for incoming optics and for manufactured
UHV viewports with anti-reflective coatings
optimised for particular customer applications.
The spectrophotometer brings greater
quality control to the business and extended
TSL’s coating capability.
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