Optical: systems and elements – Absorption filter – Fluid
Patent
1974-11-22
2000-02-22
Moskowitz, Nelson
Optical: systems and elements
Absorption filter
Fluid
359887, 359890, G02F 136, G02B 530
Patent
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.
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patent: 3521940 (1970-07-01), Heckman
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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.
Anderson Terry J.
Hoch Jr. Karl J.
Moskowitz Nelson
Northrop Grumman Corporation
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