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Title: ANALYSIS AND MITIGATION OF X-RAY HAZARD GENERATED FROM HIGH INTENSITY LASER-TARGET INTERACTIONS

Abstract

Interaction of a high intensity laser with matter may generate an ionizing radiation hazard. Very limited studies have been made, however, on the laser-induced radiation protection issue. This work reviews available literature on the physics and characteristics of laser-induced X-ray hazards. Important aspects include the laser-to-electron energy conversion efficiency, electron angular distribution, electron energy spectrum and effective temperature, and bremsstrahlung production of X-rays in the target. The possible X-ray dose rates for several femtosecond Ti:sapphire laser systems used at SLAC, including the short pulse laser system for the Matter in Extreme Conditions Instrument (peak power 4 TW and peak intensity 2.4 x 10{sup 18} W/cm{sup 2}) were analysed. A graded approach to mitigate the laser-induced X-ray hazard with a combination of engineered and administrative controls is also proposed.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1010527
Report Number(s):
SLAC-PUB-14351
TRN: US1101926
DOE Contract Number:  
AC02-76SF00515
Resource Type:
Conference
Resource Relation:
Conference: Presented at International Laser Safety Conference 2011, San Jose, California, 14-17 Mar 2011
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ANGULAR DISTRIBUTION; BREMSSTRAHLUNG; DOSE RATES; EFFICIENCY; ELECTRONS; ENERGY CONVERSION; IONIZING RADIATIONS; LASERS; MITIGATION; PHYSICS; PRODUCTION; RADIATION PROTECTION; SAFETY; STANFORD LINEAR ACCELERATOR CENTER; Other,PHYS, SAFETY, XFEL

Citation Formats

Qiu, R., Liu, J. C., Prinz, A. A., Rokni, S. H., Woods, M., Xia, Z., and /SLAC. ANALYSIS AND MITIGATION OF X-RAY HAZARD GENERATED FROM HIGH INTENSITY LASER-TARGET INTERACTIONS. United States: N. p., 2011. Web.
Qiu, R., Liu, J. C., Prinz, A. A., Rokni, S. H., Woods, M., Xia, Z., & /SLAC. ANALYSIS AND MITIGATION OF X-RAY HAZARD GENERATED FROM HIGH INTENSITY LASER-TARGET INTERACTIONS. United States.
Qiu, R., Liu, J. C., Prinz, A. A., Rokni, S. H., Woods, M., Xia, Z., and /SLAC. Mon . "ANALYSIS AND MITIGATION OF X-RAY HAZARD GENERATED FROM HIGH INTENSITY LASER-TARGET INTERACTIONS". United States. https://www.osti.gov/servlets/purl/1010527.
@article{osti_1010527,
title = {ANALYSIS AND MITIGATION OF X-RAY HAZARD GENERATED FROM HIGH INTENSITY LASER-TARGET INTERACTIONS},
author = {Qiu, R. and Liu, J. C. and Prinz, A. A. and Rokni, S. H. and Woods, M. and Xia, Z. and /SLAC},
abstractNote = {Interaction of a high intensity laser with matter may generate an ionizing radiation hazard. Very limited studies have been made, however, on the laser-induced radiation protection issue. This work reviews available literature on the physics and characteristics of laser-induced X-ray hazards. Important aspects include the laser-to-electron energy conversion efficiency, electron angular distribution, electron energy spectrum and effective temperature, and bremsstrahlung production of X-rays in the target. The possible X-ray dose rates for several femtosecond Ti:sapphire laser systems used at SLAC, including the short pulse laser system for the Matter in Extreme Conditions Instrument (peak power 4 TW and peak intensity 2.4 x 10{sup 18} W/cm{sup 2}) were analysed. A graded approach to mitigate the laser-induced X-ray hazard with a combination of engineered and administrative controls is also proposed.},
doi = {},
url = {https://www.osti.gov/biblio/1010527}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {3}
}

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