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Acousto-optic multiplexing and demultiplexing

Patent ·
OSTI ID:5552510
; ;
A system is claimed for multiplexing or demultiplexing pulsed laser radiation having an acousto-optical device which is electrically controlled to switch a common path of high pulse rate laser radiation between a plurality of spatially distinct paths for relatively lower pulse rate laser radiation at which the pulses are sequenced according to a predetermined time pattern. The acousto-optical element typically includes a Bragg cell which is electrically driven by a set of distinct frequencies, causing deflection of radiation passing therethrough at a predetermined set of angles whereby pulsed radiation on a single path may be distributed onto the plural separate paths or radiation on plural separate paths of time-sequenced pulses of radiation can be combined into a single path of augmented pulse rate. The control of the acousto-optical element may be provided by selectively switching the output of a plurality of fixed frequency oscillators of different frequency to the acousto-optical element in accordance with the pattern of pulses on the common or plural distinct paths or a voltage-controlled oscillator may be sequenced through a repeating set of frequencies which are sampled one or more times per sequence to develop an error signal resulting in feedback control over the oscillator to eliminate long-term drift.
Assignee:
Jersey Nuclear-Avco Isotopes Inc
Patent Number(s):
US 4206347
OSTI ID:
5552510
Country of Publication:
United States
Language:
English

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Related Subjects

050503 -- Nuclear Fuels-- Uranium Enrichment-- Laser Excitation-- (-1989)
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400203* -- Isotope Exchange & Isotope Separation-- (-1987)
ACTINIDES
AMPLIFIERS
BEAM PULSERS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ELEMENTS
EQUIPMENT
ISOTOPE SEPARATION
LASER ISOTOPE SEPARATION
LASER RADIATION
METALS
MULTIPLEXERS
OPTICAL SYSTEMS
OSCILLATORS
PULSE AMPLIFIERS
PULSE TECHNIQUES
RADIATIONS
SEPARATION PROCESSES
URANIUM