Thermal imaging diagnostics of powerful ion beams

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Thermal imaging diagnostics of the total energy of a pulsed ion beam and energy-density distribution over the cross section is described. The diagnostics was tested on the TEMΠ-4M accelerator in the conditions of formation of two pulses: (i) the first plasma-forming pulse is negative (300-500 ns, 100-150 kV) and (ii) the second generated one is positive (150 ns, 250-300 kV). The beam composition includes carbon ions (85%) and protons, and the power density is 0.2-3.0 J/cm2 (for various diodes). The diagnostics was applied in studies of the powerful ion beam, formed by an ion diode with self insulation (two-pulse mode) and external magnetic insulation in the single-pulse mode. The diagnostics was intended to measure the beam energy density in a range of 0.05-5.00 J/cm2 in the absence of erosion and ablation processes on the target. When an infrared camera with a 140 × 160-pixel matrix is used, the spatial resolution is 0.9 mm. The measurement time does not exceed 0.1 s.

Original languageEnglish
Pages (from-to)185-192
Number of pages8
JournalInstruments and Experimental Techniques
Volume56
Issue number2
DOIs
Publication statusPublished - 1 Mar 2013

Fingerprint

Infrared imaging
Ion beams
Insulation
Diodes
ion beams
Ions
Ablation
pulses
Time measurement
insulation
Particle accelerators
Erosion
Protons
flux density
Pixels
Cameras
diodes
Transmission electron microscopy
Infrared radiation
Plasmas

ASJC Scopus subject areas

  • Instrumentation

Cite this

Thermal imaging diagnostics of powerful ion beams. / Isakova, Yu I.; Pushkarev, A. I.

In: Instruments and Experimental Techniques, Vol. 56, No. 2, 01.03.2013, p. 185-192.

Research output: Contribution to journalArticle

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