Advanced, time-resolved imaging techniques for electron-beam characterizations
Several unique time-resolved imaging techniques have been developed to address radio frequency (RF)-linac generated electron beams and the free-electron lasers (FEL) driven by such systems. The time structures of these beams involve a series of micropulses with 10 to 15-ps duration, separated by tens of nanoseconds. Mechanisms to convert the e-beam information to optical radiation include optical transition radiation (OTR), Cherenkov radiation, spontaneous emission radiation (SER), and the FEL mechanism itself. The use of gated, intensified television cameras and synchroscan and dual-sweep streak cameras to time-resolve these signals has greatly enhanced the power of these techniques. A brief review of the less familiar conversion mechanisms and electro-optic techniques is followed by a series of specific experimental examples from the RF linac FEL facilities at Los Alamos and Boeing (Seattle, WA). 23 refs., 35 figs., 3 tabs.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOD
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5992350
- Report Number(s):
- LA-UR-91-532; CONF-9010267-3; ON: DE91008587
- Resource Relation:
- Journal Volume: 229; Conference: 1990 workshop on accelerator instrumentation, Batavia, IL (USA), 1-4 Oct 1990
- Country of Publication:
- United States
- Language:
- English
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Further time-resolved electron-beam characterizations with optical transition radiation
Time-resolved electron-beam characterizations with optical transition radiation
Related Subjects
ELECTRON BEAMS
DIAGNOSTIC TECHNIQUES
CHERENKOV RADIATION
FREE ELECTRON LASERS
IMAGE PROCESSING
LINEAR ACCELERATORS
RF SYSTEMS
STREAK CAMERAS
SYNCHROTRON RADIATION
TIME RESOLUTION
ACCELERATORS
BEAMS
BREMSSTRAHLUNG
CAMERAS
ELECTROMAGNETIC RADIATION
LASERS
LEPTON BEAMS
MEASURING INSTRUMENTS
PARTICLE BEAMS
PROCESSING
RADIATION DETECTORS
RADIATIONS
RESOLUTION
TIMING PROPERTIES
430300* - Particle Accelerators- Auxiliaries & Components
430200 - Particle Accelerators- Beam Dynamics
Field Calculations
& Ion Optics