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Heterodyne laser instantaneous frequency measurement system

Patent ·
OSTI ID:6258877
; ;
A heterodyne laser instantaneous frequency measurement system is disclosed. The system utilizes heterodyning of a pulsed laser beam with a continuous wave laser beam to form a beat signal. The beat signal is processed by a controller or computer which determines both the average frequency of the laser pulse and any changes or chirp of the frequency during the pulse.
Assignee:
Dept. of Energy, Washington, DC
Patent Number(s):
US 4798467
OSTI ID:
6258877
Country of Publication:
United States
Language:
English

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Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
BEAM OPTICS
BEAM PULSERS
COMPUTERS
ELECTRONIC EQUIPMENT
EQUIPMENT
FREQUENCY MEASUREMENT
HETERODYNE RECEIVERS
LASERS
MICROWAVE EQUIPMENT
RADIO EQUIPMENT