Absorbent laser resistant structure

Optical: systems and elements – Absorption filter – Fluid

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359887, 359890, G02F 136, G02B 530

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active

060287241

ABSTRACT:
A multi-layer structure for controlling the transmission laser radiation including an outer layer which is slightly absorbent to incident laser radiation and an intermediate layer which is substantially absorbent to incident laser radiation to achieve significant attenuation of on-axis transmission of laser radiation in an otherwise transparent structure.

REFERENCES:
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patent: 3344434 (1967-10-01), Beckmann et al.
patent: 3492062 (1970-01-01), Hoover
patent: 3521940 (1970-07-01), Heckman
patent: 3734815 (1973-05-01), Schorel et al.
Leib, "Determination of the Alternation of Laser Beams by Clouds of Particulate Mattes", Jan. 1973, pp. 1-30, NTIS Publ. AD 756205, Copy in G-222.
Spencer et al, "1R Laser Radiation Eye Protector", Oct. 1972, pp. 1545-1546, Rev. Sci. Inst., vol. 43, #10, Copy in 350/312.
De Ment, "Directed Energy Weapons", Aug. 1962, pp. 92-96, Electronic Industries, Copy in 219/121L.

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