Optical fiducial timing system for x-ray streak cameras

Patent · Thu Dec 04 04:00:00 EST 1986

OSTI ID:6084684

Nilson, D G; Campbell, E M; MacGowan, B J; Medecki, H

An optical fiducial timing system is provided for use with interdependent groups of x-ray streak cameras. The aluminium coated ends of optical fibers are positioned with the photocathodes of the x-ray streak cameras. The other ends of the optical fibers are placed together in a bundled array. A fiducial optical signal, that is comprised of 2..omega.. or 1..omega.. laser light, after introduction to the bundled array, travels to the aluminum coated optical fiber ends and ejects quantities of electrons that are recorded on the data recording media of the x-ray streak cameras. Since both 2..omega.. and 1..omega.. laser light can travel long distances in optical fiber with only a slight attenuation, the initial arial power density of the fiducial optical signal is well below the damage threshold of the fused silica or other material that comprises the optical fibers. Thus the fiducial timing system can be repeatably used over long durations of time.

• Research Organization: Lawrence Livermore National Lab., CA (USA)
• DOE Contract Number: W-7405-ENG-48
• Assignee: Dept. of Energy
• Patent Number(s): 4,730,106
• Application Number: 06/937,792, ON: DE88000847
• OSTI ID: 6084684
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420200* -- Engineering-- Facilities
Equipment
& Techniques
440300 -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
CAMERAS
ELECTROMAGNETIC RADIATION
FIBERS
IONIZING RADIATIONS
MEASURING INSTRUMENTS
OPTICAL FIBERS
OPTICAL SYSTEMS
PHOTOGRAPHY
RADIATION DETECTORS
RADIATIONS
RESOLUTION
STREAK CAMERAS
STREAK PHOTOGRAPHY
TIME RESOLUTION
TIMING PROPERTIES
X RADIATION