Laser Light Deflector

The need for a light deflector has become more pressing since the advent of lasers. Such applications as optical memories, a line scan illuminator, or search and track optical radar require a beam steering device. Properties such as high resolution, wide angle deflection - preferably in two dimensio...

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Bibliographic Details
Main Authors: Fleming,D L, Johansen,T R, Kaske,A D, Torok,E J
Format: Report
Language:English
Subjects:
BEAM STEERING
BISMUTH
CHROMIUM COMPOUNDS
CRYSTAL GROWTH
DEFLECTORS
HALIDES
IRON COMPOUNDS
LASER BEAMS
LINE SCANNING
MEMORY DEVICES
Optical crystal memories
OPTICAL MATERIALS
OPTICAL RADAR
Optics
YTTRIUM IRON GARNET
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Summary:The need for a light deflector has become more pressing since the advent of lasers. Such applications as optical memories, a line scan illuminator, or search and track optical radar require a beam steering device. Properties such as high resolution, wide angle deflection - preferably in two dimensions -, high scan rates, high random access rates, and the ability to withstand extreme environments often encountered in tactical situations are sought. The magnetic stripe domain deflector offers important advantages in these respects over other methods that warrant further development. Thus this contract was let to evaluate the prospects of a stripe domain light deflector using such materials as bismuth-doped yttrium iron garnet (Bi: YIG), iron-chromium trihalides, and iron cobalt nickel borates for the green 5145A Argon line.