Abstract
Modern flash x-ray systems employing electron linear induction accelerators require focal spot sizes of order 1 mm diameter incident on high-Z Bremsstrahlung targets. Typical beam parameters are in the range of several kiloamperes, tens of MeV with pulse lengths of order 50 ns. A single pulse with these parameters is so intense that it converts the target material into a hot plasma with velocities on the order of several centimeters per microsecond. Intense axial electric fields will exist on the target surface which may lead to the extraction of light contaminant ions. These ions can travel upstream where they will act as an electrostatic lens which can cause a time varying disruption of the focal spot. Experimental and theoretical work on this backstreaming ion mechanism will be presented along with issues for multiple pulse operation.
| Original language | English (US) |
|---|---|
| Title of host publication | IEEE International Conference on Plasma Science |
| Publisher | IEEE |
| Pages | 180 |
| Number of pages | 1 |
| State | Published - 1999 |
| Externally published | Yes |
| Event | The 26th IEEE International Conference on Plasma Science (ICOPS99) - Monterey, CA, USA Duration: Jun 20 1999 → Jun 24 1999 |
Other
| Other | The 26th IEEE International Conference on Plasma Science (ICOPS99) |
|---|---|
| City | Monterey, CA, USA |
| Period | 6/20/99 → 6/24/99 |
Fingerprint
ASJC Scopus subject areas
- Condensed Matter Physics
Cite this
Intense beam-target interactions in linear induction accelerator radiography systems. / Caporaso, George J; Chen, Y. J.; Houck, T.; Sampayan, S.; Hughes, T.; Oliver, B.; Welch, D.; Christ, C.
IEEE International Conference on Plasma Science. IEEE, 1999. p. 180.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Intense beam-target interactions in linear induction accelerator radiography systems
AU - Caporaso, George J
AU - Chen, Y. J.
AU - Houck, T.
AU - Sampayan, S.
AU - Hughes, T.
AU - Oliver, B.
AU - Welch, D.
AU - Christ, C.
PY - 1999
Y1 - 1999
N2 - Modern flash x-ray systems employing electron linear induction accelerators require focal spot sizes of order 1 mm diameter incident on high-Z Bremsstrahlung targets. Typical beam parameters are in the range of several kiloamperes, tens of MeV with pulse lengths of order 50 ns. A single pulse with these parameters is so intense that it converts the target material into a hot plasma with velocities on the order of several centimeters per microsecond. Intense axial electric fields will exist on the target surface which may lead to the extraction of light contaminant ions. These ions can travel upstream where they will act as an electrostatic lens which can cause a time varying disruption of the focal spot. Experimental and theoretical work on this backstreaming ion mechanism will be presented along with issues for multiple pulse operation.
AB - Modern flash x-ray systems employing electron linear induction accelerators require focal spot sizes of order 1 mm diameter incident on high-Z Bremsstrahlung targets. Typical beam parameters are in the range of several kiloamperes, tens of MeV with pulse lengths of order 50 ns. A single pulse with these parameters is so intense that it converts the target material into a hot plasma with velocities on the order of several centimeters per microsecond. Intense axial electric fields will exist on the target surface which may lead to the extraction of light contaminant ions. These ions can travel upstream where they will act as an electrostatic lens which can cause a time varying disruption of the focal spot. Experimental and theoretical work on this backstreaming ion mechanism will be presented along with issues for multiple pulse operation.
UR - http://www.scopus.com/inward/record.url?scp=0033347443&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0033347443&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:0033347443
SP - 180
BT - IEEE International Conference on Plasma Science
PB - IEEE
ER -