A novel Al2O3 fluorescent nuclear track detector for heavy charged particles and neutrons

Akselrod, Gleb M.; Akselrod, M.S.; Benton, E. R.; Yasuda, N.

doi:10.1016/j.nimb.2006.01.056

Cited by 107 publications

(74 citation statements)

References 8 publications

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“…Sixteen detectors were also irradiated at RARAF with monoenergetic neutrons. Neutrons with energy of 0.2, 0.5, 1.0 and 2.0 MeV were produced through T( p,n) 3 He reaction, 6-MeV neutrons were produced by D(d,n) 3 He reaction and 14-MeV neutrons were generated by T(d,n) 4 He reaction using a Van de Graff proton accelerator. All detectors for neutron irradiations had only two converters: 1 mm polyethylene (PE) and 1 mm 10 B-loaded Teflon (10% by weight) having area of 10 by 10 mm 2 , placed directly on top of them.…”

Section: Methodsmentioning

confidence: 99%

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Novel Al2O3:C,Mg fluorescent nuclear track detectors for passive neutron dosimetry

Sykora

Akselrod

Salasky

et al. 2007

Radiation Protection Dosimetry

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The latest advances in the development of a fluorescent nuclear track detector (FNTD) for neutron and heavy charged particle dosimetry are described and compared with CR-39 plastic nuclear etched track detectors (PNTDs). The technique combines a new luminescent aluminium oxide single crystal detector (Al 2 O 3 :C,Mg) with an imaging technique based on laser scanning and confocal fluorescence detection. Detection efficiency was obtained after irradiations with monoenergetic neutron and proton beams. Dose dependences were measured for different configurations of the detectors exposed in fast-and thermalneutron fields. A specially developed image processing technique allows for fast fluorescent track identification and counting. The readout method is non-destructive, and detectors can be reused after thermal annealing.

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Section: Methodsmentioning

confidence: 99%

“…The confocal geometry of the optical readout system allows the detector to be imaged at multiple depths and provides information about the particle range (3) . In this study, 3-D images of 1.5-MeV proton tracks penetrating the detector were also acquired and a range of 16.0 + 0.5 mm was determined.…”

Section: Proton Irradiationsmentioning

confidence: 99%

Novel Al2O3:C,Mg fluorescent nuclear track detectors for passive neutron dosimetry

Sykora

Akselrod

Salasky

et al. 2007

Radiation Protection Dosimetry

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“…18 In addition to aiding the ICF program, back-scattered beam deuterons, produced in the accelerator, have been used to calibrate the Compact Neutral Particle Analyzer (CNPA), which is used to measure energetic minority ions in Alcator C-Mod plasmas. 19 The accelerator has also been used to study the response of a new fluorescent nuclear track detector 20 (FNTD) to charge particles. Incident particles ionize the crystal matrix, recharging color centers in a Al 2 O 3 :CMg crystal that are later non-destructively read using laser scanning and a confocal fluorescence detection technique.…”

Section: Current Workmentioning

confidence: 99%

An accelerator based fusion-product source for development of inertial confinement fusion nuclear diagnostics

McDuffee

Frenje

Sèguin

et al. 2008

Review of Scientific Instruments

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A fusion product source, utilizing a 150 kV Cockraft-Walton linear accelerator, has been refurbished to provide a reliable nuclear diagnostic development tool to the national Inertial Confinement Fusion (ICF) research program. The accelerator is capable of routinely generating DD reaction rates at ~10 7 per second when using a 150 kV, 150 µA deuterium (D) beam onto an erbium (Er) or titanium (Ti) target doped with D, and D³He reaction rates at ~5×10 5 per second when using a using a 120 kV, ~100 µA D beam onto a Er or Ti target doped with 3 He. The new accelerator is currently being used in a number of projects related to the national ICF program at the OMEGA Laser Fusion Facility [T.R. Boehly et al., Opt. Commun. 133, 495 (1997)

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“…Implanted detectors or detectors in body cavities could help accessing direct information on a radiation treatment such as ion fluences, energies or ranges. FNTDs show excellent detection efficiency of fast neutrons and swift heavy charged particles with linear energy transfer (LET) greater than approximately 0.2 keV/µm (Akselrod et al, 2006). At the same time, they might serve as x-ray markers because of their high density.…”

Section: Introductionmentioning

confidence: 99%

Ion range measurements using fluorescent nuclear track detectors

Klimpki

Osinga

Herrmann

et al. 2013

Radiation Measurements

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Fluorescent nuclear track detectors (FNTDs) show excellent detection properties for heavy charged particles and have, therefore, been investigated in this study in terms of their potential for in-vivo range measurements. We irradiated FNTDs with protons as well as with C, Mg, S, Fe and Xe ion beams (3 -6 MeV/u) over a broad range of fluences (4.5e5 -1.0e11 cm −2 ) with the detectors' optical c-axis positioned perpendicular to the beam direction. All measured ion ranges (for single track as well as track bulk intensity irradiations) deviate less than 3% from tabulated SRIM data, independent of particle type, energy, fluence and linear energy transfer. Proton irradiation of detectors placed inside a polymethyl methacrylate (PMMA) phantom at the Heidelberg Ion-Beam Therapy Center showed promising results for future in-vivo FNTD applications.

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A novel Al2O3 fluorescent nuclear track detector for heavy charged particles and neutrons

Cited by 107 publications

References 8 publications

Novel Al2O3:C,Mg fluorescent nuclear track detectors for passive neutron dosimetry

Novel Al2O3:C,Mg fluorescent nuclear track detectors for passive neutron dosimetry

An accelerator based fusion-product source for development of inertial confinement fusion nuclear diagnostics

Ion range measurements using fluorescent nuclear track detectors

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