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Spectrometer for cluster ion beam induced luminescence.

H Ryuto1, F Musumeci2, A Sakata1

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Summary

A new spectrometer detects ultra-weak luminescence from cluster ion impacts on solids. This instrument, featuring photomultipliers and filters, successfully measured luminescence induced by cluster ion beams.

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Area of Science:

  • Physics
  • Materials Science
  • Spectroscopy

Background:

  • Cluster ion impacts on solid surfaces can generate ultra-weak luminescence.
  • Detecting this luminescence is challenging due to its low intensity.
  • Understanding this phenomenon is crucial for materials analysis and surface science.

Purpose of the Study:

  • To construct a novel spectrometer capable of detecting ultra-weak luminescence.
  • To investigate luminescence generated by the collision of cluster ions with solid materials.
  • To calibrate and validate the performance of the developed detection system.

Main Methods:

  • Construction of a spectrometer utilizing 11 photomultipliers with band-pass interference filters (300-700 nm) and one unfiltered photomultiplier.
  • Calibration of the detection system using photons from strontium aluminate fluorescent tape and a high-temperature tungsten filament.
  • Preliminary measurements of luminescence induced by cluster ion beams.

Main Results:

  • The developed spectrometer successfully detected ultra-weak luminescence.
  • The detection system's wavelength range is established from 300 to 700 nm.
  • Calibration confirmed the system's sensitivity and accuracy.

Conclusions:

  • The constructed spectrometer is effective in detecting ultra-weak luminescence from cluster ion-surface interactions.
  • This technology opens new avenues for studying ion-surface collisions and material properties.
  • The system's performance was validated through calibration and preliminary measurements.