Laser flare

Details Laser flare Laser flare

1989-06-20

1990-06-19

Nelson, Peter A.

Ammunition and explosives

Pyrotechnics

Flare

102337, F42B 426

Patent

active

049342738

ABSTRACT:
A compact laser flare illuminator includes a semiconductor diode laser array radiation source, an energy source for the radiation source that can be switched on and a housing which holds the array and energy source, while allowing egress of a beam. This illuminator may be used to facilitate night vision by persons wearing night vision goggles or using other types of wavelength-selective night vision devices. The housing may serve as a heat sink and may be equipped with a propulsion device and with fins for flight stabilization, as well as with a parachute for slowing descent from an altitude above an area to be illuminated. A wavelength filter that passes radiation only in a predetermined wavelength range and a lens or optical element to focus the laser radiation toward the area to be illuminated are optional features.

REFERENCES:
patent: 1781621 (1930-11-01), Wiley
patent: 1937219 (1933-11-01), Driggs
patent: 1937220 (1933-11-01), Driggs
patent: 4158323 (1979-06-01), Stirrat et al.
patent: 4448106 (1984-05-01), Knapp
patent: 4719856 (1988-01-01), Joslin
patent: 4761907 (1988-08-01), De Bernardini
patent: 4768736 (1988-09-01), Morten
patent: 4791870 (1988-12-01), Simpson

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