Heterodyne laser instantaneous frequency measurement system

Patent · Sun Jan 01 04:00:00 EST 1989

OSTI ID:866818

Wyeth, Richard W ^[1]; Johnson, Michael A ^[2]; Globig, Michael A ^[1]

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1. Livermore, CA
2. Pleasanton, CA

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 th frequency during the pulse.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA
• DOE Contract Number: W-7405-ENG-48
• Assignee: United States Department of Energy (Washington, DC)
• Patent Number(s): US 4798467
• OSTI ID: 866818
• Country of Publication: United States
• Language: English

Related Subjects

/356/372/
average
beam
beat
beat signal
changes
chirp
computer
continuous
continuous wave
controller
determines
disclosed
form
frequency
frequency measurement
heterodyne
heterodyne laser
heterodyning
instantaneous
instantaneous frequency
laser
laser beam
laser instantaneous
laser pulse
measurement
processed
pulse
pulsed
pulsed laser
signal
utilizes
utilizes heterodyning
wave
wave laser