Method of screening infra-red radiation

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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102334, 252305, 343 18E, 350 15, C09K 330, H01Q 1518

Patent

active

044841957

ABSTRACT:
A method of screening infra-red radiation is disclosed which comprises fong between the source of said radiation and the point of reception or detection an aerosol of finely-divided, thin flat particles of aluminum which is highly reflective and opaque to said radiation, the dimensions of said particles being of the same order of magnitude as the wavelength of said radiation.

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Fundamentals of Optica, Jenkins and White, McGraw-Hill, 1957, p. 521.
Table I--Range of Electromagnetic Waves (1934) Amatutz.
Table II--The Electronic Engineer Magazine.

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