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Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments
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Published on: January 28, 2021

Laser ion source with a double pulse laser system.

M Okamura1, K Kondo, G Gish Allouche

  • 1Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA. okamura@bnl.gov

The Review of Scientific Instruments
|March 3, 2012
PubMed
Summary
This summary is machine-generated.

Extending ion beam pulses using multiple laser shots on an iron target is feasible. Double laser shots longer than 10 μs sum plasma expansions, ideal for low charge state ion production.

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Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
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Published on: July 2, 2012

Area of Science:

  • Plasma Physics
  • Laser-Matter Interaction
  • Ion Source Technology

Background:

  • Laser ion sources are crucial for generating ion beams.
  • Extending the duration of ion beam pulses is a significant challenge.
  • Current methods for pulse extension may have limitations.

Purpose of the Study:

  • To investigate the feasibility of extending laser ion source pulses using multiple laser shots.
  • To analyze the effect of laser pulse interval on ion current profiles.
  • To determine the applicability of this technique for specific ion production.

Main Methods:

  • Experimental setup involving a laser ion source and an iron target.
  • Performing double laser irradiations with varying time intervals.
  • Measuring the ion current profile using diagnostic tools.
  • Analyzing the superposition of expanded laser plasmas.

Main Results:

  • When the interval between two laser shots exceeds 10 μs, the ion current profile is a sum of two distinct plasma expansions.
  • A reduction in ion current was observed for intervals shorter than 10 μs.
  • The technique demonstrated effectiveness for producing low charge state ions.

Conclusions:

  • Multiple laser shots can effectively extend ion beam pulses from laser ion sources.
  • The time interval between laser shots is critical for achieving additive plasma expansions.
  • This method offers a viable approach for enhancing low charge state ion production.