High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams

A. Alejo; S. Kar; A. Tebartz; H. Ahmed; S. Astbury; D. C. Carroll; J. Ding; D. Doria; A. Higginson; P. McKenna; N. Neumann; G. G. Scott; F. Wagner; M. Roth; M. Borghesi

doi:10.1063/1.4961028

High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams

A. Alejo, S. Kar, A. Tebartz, H. Ahmed, S. Astbury, D. C. Carroll, J. Ding, D. Doria, A. Higginson, P. McKenna, N. Neumann, G. G. Scott, F. Wagner, M. Roth, M. Borghesi

School of Mathematics and Physics

Research output: Contribution to journal › Article › peer-review

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Abstract

We report on the experimental characterisation of laser-driven ion beams using a Thomson Parabola Spectrometer (TPS) equipped with trapezoidally shaped electric plates, proposed by Gwynne et al. [Rev. Sci. Instrum. 85, 033304 (2014)]. While a pair of extended (30 cm long) electric plates was able to produce a significant increase in the separation between neighbouring ion species at high energies, deploying a trapezoidal design circumvented the spectral clipping at the low energy end of the ion spectra. The shape of the electric plate was chosen carefully considering, for the given spectrometer configuration, the range of detectable ion energies and species. Analytical tracing of the ion parabolas matches closely with the experimental data, which suggests a minimal effect of fringe fields on the escaping ions close to the wedged edge of the electrode. The analytical formulae were derived considering the relativistic correction required for the high energy ions to be characterised using such spectrometer.

Original language	English
Article number	083304
Number of pages	5
Journal	Review of Scientific Instruments
Volume	87
Issue number	8
DOIs	https://doi.org/10.1063/1.4961028
Publication status	Published - 17 Aug 2016

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High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams
Copyright 2016 AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Alejo, A, Kar, S, Tebartz, A, Ahmed, H, Astbury, S, Carroll, DC, Ding, J, Doria, D, Higginson, A, McKenna, P, Neumann, N, Scott, GG, Wagner, F, Roth, M & Borghesi, M 2016, 'High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams' Review of Scientific Instruments, vol 87, no. 8, 083304 and may be found at (http://scitation.aip.org/content/aip/journal/rsi/87/8/10.1063/1.4961028
Accepted author manuscript, 3.04 MBLicence: Unspecified
High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams
Copyright 2016 AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Alejo, A, Kar, S, Tebartz, A, Ahmed, H, Astbury, S, Carroll, DC, Ding, J, Doria, D, Higginson, A, McKenna, P, Neumann, N, Scott, GG, Wagner, F, Roth, M & Borghesi, M 2016, 'High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams' Review of Scientific Instruments, vol 87, no. 8, 083304 and may be found at (http://scitation.aip.org/content/aip/journal/rsi/87/8/10.1063/1.4961028
Final published version, 3.39 MBLicence: Unspecified

http://scitation.aip.org/content/aip/journal/rsi/87/8/10.1063/1.4961028

R1323CPP: Novel Techniques for control & Optimisation of Laser driven ion beams
Kar, S. (PI)
01/08/2012 → 30/06/2015
Project: Research
R1304CPP: Advanced laser-ion acceleration strategies towards next generation healthcare
Borghesi, M. (PI), Kar, S. (CoI), Prise, K. (CoI) & Zepf, M. (CoI)
01/08/2012 → 20/01/2020
Project: Research
R1404CPP: Next Generation Laser Driven Neutron Sources for Ultra Fast Studies
Kar, S. (PI)
01/08/2011 → 31/12/2016
Project: Research

High Resolution Thomson Parabola Spectrometer for Full Spectral Capture of Multi-Species Ion Beams
Alejo, A. (Contributor), Kar, S. (Creator), Tebartz, A. (Contributor), Ahmed, H. (Contributor), Astbury, S. (Contributor), D.C., C. (Contributor), Ding, J. (Contributor), Doria, D. (Contributor), Higginson, A. (Contributor), McKenna, P. (Contributor), Neumann, N. (Contributor), Scott, G. (Contributor), Wagner, F. (Contributor), Roth, M. (Contributor) & Borghesi, M. (Contributor), Queen's University Belfast, 2016
DOI: 10.17034/d721c24c-7c68-4be4-9716-418e62c85165
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Alejo, A., Kar, S., Tebartz, A., Ahmed, H., Astbury, S., Carroll, D. C., Ding, J., Doria, D., Higginson, A., McKenna, P., Neumann, N., Scott, G. G., Wagner, F., Roth, M., & Borghesi, M. (2016). High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams. Review of Scientific Instruments, 87(8), Article 083304. https://doi.org/10.1063/1.4961028

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title = "High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams",

abstract = "We report on the experimental characterisation of laser-driven ion beams using a Thomson Parabola Spectrometer (TPS) equipped with trapezoidally shaped electric plates, proposed by Gwynne et al. [Rev. Sci. Instrum. 85, 033304 (2014)]. While a pair of extended (30 cm long) electric plates was able to produce a significant increase in the separation between neighbouring ion species at high energies, deploying a trapezoidal design circumvented the spectral clipping at the low energy end of the ion spectra. The shape of the electric plate was chosen carefully considering, for the given spectrometer configuration, the range of detectable ion energies and species. Analytical tracing of the ion parabolas matches closely with the experimental data, which suggests a minimal effect of fringe fields on the escaping ions close to the wedged edge of the electrode. The analytical formulae were derived considering the relativistic correction required for the high energy ions to be characterised using such spectrometer.",

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AU - Alejo, A.

AU - Kar, S.

AU - Tebartz, A.

AU - Ahmed, H.

AU - Astbury, S.

AU - Carroll, D. C.

AU - Ding, J.

AU - Doria, D.

AU - Higginson, A.

AU - McKenna, P.

AU - Neumann, N.

AU - Scott, G. G.

AU - Wagner, F.

AU - Roth, M.

AU - Borghesi, M.

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N2 - We report on the experimental characterisation of laser-driven ion beams using a Thomson Parabola Spectrometer (TPS) equipped with trapezoidally shaped electric plates, proposed by Gwynne et al. [Rev. Sci. Instrum. 85, 033304 (2014)]. While a pair of extended (30 cm long) electric plates was able to produce a significant increase in the separation between neighbouring ion species at high energies, deploying a trapezoidal design circumvented the spectral clipping at the low energy end of the ion spectra. The shape of the electric plate was chosen carefully considering, for the given spectrometer configuration, the range of detectable ion energies and species. Analytical tracing of the ion parabolas matches closely with the experimental data, which suggests a minimal effect of fringe fields on the escaping ions close to the wedged edge of the electrode. The analytical formulae were derived considering the relativistic correction required for the high energy ions to be characterised using such spectrometer.

AB - We report on the experimental characterisation of laser-driven ion beams using a Thomson Parabola Spectrometer (TPS) equipped with trapezoidally shaped electric plates, proposed by Gwynne et al. [Rev. Sci. Instrum. 85, 033304 (2014)]. While a pair of extended (30 cm long) electric plates was able to produce a significant increase in the separation between neighbouring ion species at high energies, deploying a trapezoidal design circumvented the spectral clipping at the low energy end of the ion spectra. The shape of the electric plate was chosen carefully considering, for the given spectrometer configuration, the range of detectable ion energies and species. Analytical tracing of the ion parabolas matches closely with the experimental data, which suggests a minimal effect of fringe fields on the escaping ions close to the wedged edge of the electrode. The analytical formulae were derived considering the relativistic correction required for the high energy ions to be characterised using such spectrometer.

U2 - 10.1063/1.4961028

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VL - 87

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

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High resolution Thomson Parabola Spectrometer for full spectral capture of multi-species ion beams

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Projects

R1323CPP: Novel Techniques for control & Optimisation of Laser driven ion beams

R1304CPP: Advanced laser-ion acceleration strategies towards next generation healthcare

R1404CPP: Next Generation Laser Driven Neutron Sources for Ultra Fast Studies

Datasets

High Resolution Thomson Parabola Spectrometer for Full Spectral Capture of Multi-Species Ion Beams

Cite this