IR Light for use with night vision goggles

Details IR Light for use with night vision goggles IR Light for use with night vision goggles

1983-07-01

1985-10-15

Kellogg, Arthur

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313499, 313505, 313506, 357 32, H01J 162

Patent

active

045477019

ABSTRACT:
An IR source of illumination for use with night vision goggles in which there is provided an array of a minimum of about eight Ga-Al-As diodes per group with two groups per array in a planar distribution with the spacing of the diodes within each group such that at least about 75% of the diodes are coupled to at least two neighboring diodes to provide coupling in the light pattern and to enhance the output thereof and means are provided to operate the diodes in parallel at about the current limit of the diodes whereby beams are generated which converge to provide a beam diameter of approximately 10.degree. with a halo at approximately 30.degree. at ranges beyond 15 meters.

REFERENCES:
patent: 3675064 (1972-07-01), Coleman et al.
Anvis Aviator's Night-Vision Imaging System, Bell and Howell Optics Division Brochure, (7 pages).
TRW Optron Products Bulletin No. 3010, Mar. 1982.

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