Beam scattering laser resistant structure

Details Beam scattering laser resistant structure Beam scattering laser resistant structure

1974-11-22

2000-02-01

Moskowitz, Nelson

Optical: systems and elements

Absorption filter

Fluid

359887, 359890, G02F 136, G02B 504, G02B 530

Patent

active

060210087

ABSTRACT:
A multi-layer structure for controlling the transmission laser radiation including an array of polydispersing scatterers in an intermediate layer. The outer layer is made of a material which partially ablates when exposed to incident laser radiation, generating an irregular surface which initially scatters the incident laser radiation. The initially scattered radiation is transmitted to the intermediate layer containing the array of monofilament fibers which further scatters the laser such that combination achieves substantial attenuation of on-axis transmission of the laser radiation in an otherwise transparent structure.

REFERENCES:
patent: 2287598 (1942-06-01), Brown
patent: 3492062 (1970-01-01), Haover
patent: 3813511 (1974-05-01), Staal
Spencer et al, "1 R Laser Radiation Eye Protector", Oct. 1972, pp. 1545-1546, Rev. Sci. Inst., vol. 43, #10.
De Mert, "Directed Energy Weapons", Aug. 1962, pp. 92-96, Electronics Industries.
Singer et al, "Diffraction of light from a Filomentary Source . . . ," Dec. 1970, pp. 1640-1653, Jour. Opt. Soc. Amer., vol. 60, No. 12.

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