Active imaging system with Faraday filter

Patent Application · Thu Dec 31 00:00:00 EST 1992

OSTI ID:10166916

Snyder, J J

This invention is comprised of an active imaging system which has a low to medium powered laser transmitter and a 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 wile eliminating solar background.

• Research Organization: Lawrence Livermore National Lab., CA (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-7405-ENG-48
• Assignee: Dept. of Energy
• Patent Number(s): PATENTS-US-A7905989
• Application Number: ON: DE94014884; PAN: 7-905,989
• OSTI ID: 10166916
• Resource Relation: Other Information: PBD: 1992
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
47 OTHER INSTRUMENTATION
OPTICAL SYSTEMS
DESIGN
INVENTIONS
LASERS
IMAGES
OPTICAL FILTERS
CHARGE-COUPLED DEVICES
420200
440600
FACILITIES, EQUIPMENT, AND TECHNIQUES
OPTICAL INSTRUMENTATION