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1 May 1986 Measurement Of Spectral Transmission Of IR Lens Elements And Assemblies
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Proceedings Volume 0590, Infrared Technology and Applications; (1986)
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France
The techniques generally used for measuring spectral transmission of lenses in the visible wavelength range are difficult to apply in the range of thermal wavelengths (2 to 14 Microns). The paper describes a more appropriate technique which can be used both for measuring the axial transmission factor of a lens system as well as the variation of transmission over the aperture. Two particular equipment configurations are described, one is designed to integrate with a computerised MTF instrument, whilst the other is based on the use of a commercial radiometer.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. L. Williams "Measurement Of Spectral Transmission Of IR Lens Elements And Assemblies", Proc. SPIE 0590, Infrared Technology and Applications, (1 May 1986);

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