30 August 1993 Rugged far infrared bandpass filters
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Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 21044Y (1993) https://doi.org/10.1117/12.2298610
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom
Abstract
Precision nickel printing screens are shown to be very useful as far infrared bandpass filters. For a range of such regularlyperforated screens, transmission maxima have been observed to lie at frequencies between 58 cm-1 and 142 cm-1. In general,the peak of transmission is measured to be over 0.9. It is found that this high transmission is little degraded by cascadingseveral screens, but the overall filter Q value may be increased from about 2 to a value of about 6.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
P. G. Huggard, P. G. Huggard, } "Rugged far infrared bandpass filters", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21044Y (30 August 1993); doi: 10.1117/12.2298610; https://doi.org/10.1117/12.2298610
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