Resonate notch filter array

Optical: systems and elements – Optical frequency converter

Patent

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Details

136253, 136257, 25022718, 2505031, 359328, G02F 202, H02N 600

Patent

active

056254857

ABSTRACT:
A parallel paired, closely coupled, first and second resonant notch filter array. The disclosed frequency doubling filters are particularly useful in the field of thermophotovoltaics for upgrading black body radiation from heated objects to a shorter wavelength such as for illuminating silicon solar cells.

REFERENCES:
patent: 5403405 (1995-04-01), Fraas et al.
patent: 5420719 (1995-05-01), Montgomery et al.

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