Process and screen for disturbing the transmission of electromag

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

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Details

359350, 359326, 359885, G02B 522

Patent

active

050784625

ABSTRACT:
Process for disturbing the transmission of electromagnetic radiation emitted by a source within a predetermined wavelength band, for reception by a receiver designed to detect signals situated in said band, characterized by a screen (3) placed between said source (1) and said receiver (4), which absorbs at least part of the radiation emitted on said wavelength band and re-emits it on wavelengths outside said band. Furthermore, a screen for implementing this process.

REFERENCES:
patent: 3958970 (1976-05-01), Auzel
patent: 3992628 (1976-11-01), Karney
patent: 4195226 (1980-03-01), Robbins et al.
patent: 4484195 (1984-11-01), Shaffer

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