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Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments
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A test stand for off-line laser ion source development at TRIUMF.

J P Lavoie1, R Li, P Bricault

  • 1TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.

The Review of Scientific Instruments
|February 8, 2013
PubMed
Summary
This summary is machine-generated.

A new test stand at TRIUMF enables the development of efficient ion sources and laser spectroscopy for producing rare isotopes. This system improves ion source reliability and facilitates the study of gallium isotopes for future experiments.

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Area of Science:

  • Nuclear Physics
  • Atomic Physics
  • Accelerator Science

Background:

  • TRIUMF requires robust ion sources for its isotope separator on-line (ISOL) facility, capable of withstanding harsh operational conditions.
  • Existing laser excitation schemes need optimization for solid-state laser systems used in resonant ionization laser ion sources.
  • Development of new ion source designs and validation of existing ones are crucial for enhancing isotope production.

Purpose of the Study:

  • To build and commission a versatile test stand for ion source development and laser resonance ionization spectroscopy.
  • To enable the development of efficient and reliable ion sources for TRIUMF's ISOL facility.
  • To refine laser excitation schemes for improved radioactive ion beam production and study rare isotopes.

Main Methods:

  • Construction and commissioning of a dedicated test stand at TRIUMF.
  • Utilizing a quadrupole mass spectrometer for rapid mass scans and separation.
  • Employing laser resonance ionization spectroscopy for atomic state characterization.
  • Replicating on-line ion optics for direct transferability of results.

Main Results:

  • Successful commissioning of the laser ion source test stand (LIS STAND).
  • Observation of different Rydberg series in gallium.
  • Search for autoionizing states in gallium.
  • Demonstrated capability for resonant ionization spectroscopy of gallium to improve ionization schemes.

Conclusions:

  • The LIS STAND is a functional system for ion source development and laser spectroscopy at TRIUMF.
  • The system facilitates the study of atomic properties, like those of gallium, to enhance the production of low-yield isotopes.
  • The test stand's design allows for direct application of results to on-line radioactive ion beam production.