4. Coating processes
  5. Optical element produced

Geoffrey A. Walter

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High resolution differential spectrometry system

Coating processes – Optical element produced
Patent

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High resolution differential spectrometry system

Optics: measuring and testing – By shade or color – With color transmitting filter
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Infrared transmitting window and method of making same

Optical: systems and elements – Having significant infrared or ultraviolet property – Multilayer filter or multilayer reflector
Patent

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Optical sensing apparatus for remotely measuring exhaust gas com

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
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