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- Article name
- Optimization of quadrupole probe-forming system parameters of the nuclear microprobe with allowance for the ion beam phase density distribution
- Authors
- Ponomarev A. A., , ponomart@ipflab.sumy.ua, Insitute of Applied Physics, National Academy of Sciences of Ukraine, 58 Petropavlovskaya str., Sumy, 40034, Ukraine
Miroshnichenko V. I., , ponomart@ipflab.sumy.ua, Insitute of Applied Physics, National Academy of Sciences of Ukraine, 58 Petropavlovskaya str., Sumy, 40034, Ukraine
Ponomarev A. G., , ponomart@ipflab.sumy.ua, Insitute of Applied Physics, National Academy of Sciences of Ukraine, 58 Petropavlovskaya str., Sumy, 40034, Ukraine
- Keywords
- probe forming system / nuclear microprobe / aberration / current density distribution
- Year
- 2010 Issue 3 Pages 90 - 96
- Code EDN
- Code DOI
- Abstract
- A current density value of the ion beam on the center of a spot focused on the nuclear microprobe target was taken for the optimization criterion. We supposed that particles have a normal distribution in the phase space at the entrance to the probe forming system. The distribution parameters was deconvolved from the experimental data of the integral characteristic measurements of the beam current distribution. The optimal current distribution on the target was determined using the applicable selection of the object and angular rectangular collimator sizes. We represent the depth of focus for optimal parameters of the probe for-ming system.
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