Active imaging system with Faraday filter

Patent · Fri Jan 01 00:00:00 EST 1993

OSTI ID:868743

Snyder, James J ^[1]

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1. San Jose, CA

An active imaging system has a low to medium powered laser transmitter and receiver wherein the receiver includes a Faraday filter with an ultranarrow optical bandpass and a bare (nonintensified) CCD camera. The laser is locked in the vicinity of the passband of the Faraday filter. The system has high sensitivity to the laser illumination while eliminating solar background.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• Assignee: United States of America as represented by Department of Energy (Washington, DC)
• Patent Number(s): US 5202741
• OSTI ID: 868743
• Country of Publication: United States
• Language: English

Related Subjects

active
imaging
faraday
filter
medium
powered
laser
transmitter
receiver
ultranarrow
optical
bandpass
bare
nonintensified
ccd
camera
locked
vicinity
passband
sensitivity
illumination
eliminating
solar
background
faraday filter
ccd camera
laser illumination
optical bandpass
optical band
active imaging
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