X-ray conversion in a preformed and driven laser plasma
Conference
·
OSTI ID:10116165
- Lawrence Livermore National Lab., CA (United States)
- Los Alamos National Lab., NM (United States)
Recent 1D simulation continue to show an effect seen previously; an increase in x-ray conversion efficiency in a preformed plasma over what it would be for a disc. For example, at a 3{omega} irradiation intensity of 3e{sup 14}w/cm{sup 2}, Au disc simulations estimate an instantaneous conversion efficiency of {approximately}55% at 1ns. However, if we replace the disc with a preformed Au plasma simulations can predict a conversion efficiency of nearly 90% at 1ns. Our modelling mocks up a situation in which a 1ns preforming pulse of radiation or laser light strikes a disc. We allow plasma to evolve for a delay time which is one of the scaling parameters of our study. At the end of this delay time we fire a laser into the plasma. The intensity of the 3{omega} pulse is another scaling parameter. This paper contains x-ray conversion results of this simulation.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 10116165
- Report Number(s):
- UCRL-JC--107894; CONF-9108105--7; ON: DE92006883
- Country of Publication:
- United States
- Language:
- English
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