Time-resolved tomographic images of a relativistic electron beam
Conference
·
OSTI ID:6629691
We obtained a sequential series of time-resolved tomographic two-dimensional images of a 4.5-MeV, 6-kA, 30-ns electron beam. Three linear fiber-optic arrays of 30 or 60 fibers each were positioned around the beam axis at 0/sup 0/, 61/sup 0/, and 117/sup 0/. The beam interacting with nitrogen at 20 Torr emitted light that was focused onto the fiber arrays and transmitted to a streak camera where the data were recorded on film. The film was digitized, and two-dimensional images were reconstructed using the maximum-entropy tomographic technique. These images were then combined to produce an ultra-high-speed movie of the electron-beam pulse.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA); EG and G, Inc., Goleta, CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6629691
- Report Number(s):
- UCRL-90692; CONF-840872-10; ON: DE84015021
- Resource Relation:
- Conference: SPIE annual technical symposium, San Diego, CA, USA, 19 Aug 1984
- Country of Publication:
- United States
- Language:
- English
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