Modified Thomson spectrometer design for high energy, multi-species ion sources

D. Gwynne; S. Kar; D. Doria; H. Ahmed; M. Cerchez; J. Fernandez; R. J. Gray; J. S. Green; F. Hanton; D. A. MacLellan; P. McKenna; Z. Najmudin; D. Neely; J. A. Ruiz; A. Schiavi; M. Streeter; M. Swantusch; O. Willi; M. Zepf; M. Borghesi

doi:10.1063/1.4866021

Modified Thomson spectrometer design for high energy, multi-species ion sources

D. Gwynne, S. Kar, D. Doria, H. Ahmed, M. Cerchez, J. Fernandez, R. J. Gray, J. S. Green, F. Hanton, D. A. MacLellan, P. McKenna, Z. Najmudin, D. Neely, J. A. Ruiz, A. Schiavi, M. Streeter, M. Swantusch, O. Willi, M. Zepf, M. Borghesi

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Abstract

A modification to the standard Thomson parabola spectrometer is discussed, which is designed to measure high energy (tens of MeV/nucleon), broad bandwidth spectra of multi-species ions accelerated by intense laser plasma interactions. It is proposed to implement a pair of extended, trapezoidal shaped electric plates, which will not only resolve ion traces at high energies, but will also retain the lower energy part of the spectrum. While a longer (along the axis of the undeflected ion beam direction) electric plate design provides effective charge state separation at the high energy end of the spectrum, the proposed new trapezoidal shape will enable the low energy ions to reach the detector, which would have been clipped or blocked by simply extending the rectangular plates to enhance the electrostatic deflection.

Original language	English
Article number	033304
Number of pages	6
Journal	Review of Scientific Instruments
Volume	85
Issue number	3
DOIs	https://doi.org/10.1063/1.4866021
Publication status	Published - 11 Mar 2014

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10.1063/1.4866021

Modified Thomson spectrometer design for high energy, multi-species ion
Copyright 2014 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Rev. Sci. Instrum. 85, 033304 (2014) and may be found at http://scitation.aip.org/content/aip/journal/rsi/85/3/10.1063/1.4866021
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Gwynne, D., Kar, S., Doria, D., Ahmed, H., Cerchez, M., Fernandez, J., Gray, R. J., Green, J. S., Hanton, F., MacLellan, D. A., McKenna, P., Najmudin, Z., Neely, D., Ruiz, J. A., Schiavi, A., Streeter, M., Swantusch, M., Willi, O., Zepf, M., & Borghesi, M. (2014). Modified Thomson spectrometer design for high energy, multi-species ion sources. Review of Scientific Instruments, 85(3), Article 033304. https://doi.org/10.1063/1.4866021

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title = "Modified Thomson spectrometer design for high energy, multi-species ion sources",

abstract = "A modification to the standard Thomson parabola spectrometer is discussed, which is designed to measure high energy (tens of MeV/nucleon), broad bandwidth spectra of multi-species ions accelerated by intense laser plasma interactions. It is proposed to implement a pair of extended, trapezoidal shaped electric plates, which will not only resolve ion traces at high energies, but will also retain the lower energy part of the spectrum. While a longer (along the axis of the undeflected ion beam direction) electric plate design provides effective charge state separation at the high energy end of the spectrum, the proposed new trapezoidal shape will enable the low energy ions to reach the detector, which would have been clipped or blocked by simply extending the rectangular plates to enhance the electrostatic deflection.",

author = "D. Gwynne and S. Kar and D. Doria and H. Ahmed and M. Cerchez and J. Fernandez and Gray, {R. J.} and Green, {J. S.} and F. Hanton and MacLellan, {D. A.} and P. McKenna and Z. Najmudin and D. Neely and Ruiz, {J. A.} and A. Schiavi and M. Streeter and M. Swantusch and O. Willi and M. Zepf and M. Borghesi",

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doi = "10.1063/1.4866021",

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Gwynne, D, Kar, S, Doria, D, Ahmed, H, Cerchez, M, Fernandez, J, Gray, RJ, Green, JS, Hanton, F, MacLellan, DA, McKenna, P, Najmudin, Z, Neely, D, Ruiz, JA, Schiavi, A, Streeter, M, Swantusch, M, Willi, O, Zepf, M & Borghesi, M 2014, 'Modified Thomson spectrometer design for high energy, multi-species ion sources', Review of Scientific Instruments, vol. 85, no. 3, 033304. https://doi.org/10.1063/1.4866021

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AU - Gwynne, D.

AU - Kar, S.

AU - Doria, D.

AU - Ahmed, H.

AU - Cerchez, M.

AU - Fernandez, J.

AU - Gray, R. J.

AU - Green, J. S.

AU - Hanton, F.

AU - MacLellan, D. A.

AU - McKenna, P.

AU - Najmudin, Z.

AU - Neely, D.

AU - Ruiz, J. A.

AU - Schiavi, A.

AU - Streeter, M.

AU - Swantusch, M.

AU - Willi, O.

AU - Zepf, M.

AU - Borghesi, M.

PY - 2014/3/11

Y1 - 2014/3/11

N2 - A modification to the standard Thomson parabola spectrometer is discussed, which is designed to measure high energy (tens of MeV/nucleon), broad bandwidth spectra of multi-species ions accelerated by intense laser plasma interactions. It is proposed to implement a pair of extended, trapezoidal shaped electric plates, which will not only resolve ion traces at high energies, but will also retain the lower energy part of the spectrum. While a longer (along the axis of the undeflected ion beam direction) electric plate design provides effective charge state separation at the high energy end of the spectrum, the proposed new trapezoidal shape will enable the low energy ions to reach the detector, which would have been clipped or blocked by simply extending the rectangular plates to enhance the electrostatic deflection.

AB - A modification to the standard Thomson parabola spectrometer is discussed, which is designed to measure high energy (tens of MeV/nucleon), broad bandwidth spectra of multi-species ions accelerated by intense laser plasma interactions. It is proposed to implement a pair of extended, trapezoidal shaped electric plates, which will not only resolve ion traces at high energies, but will also retain the lower energy part of the spectrum. While a longer (along the axis of the undeflected ion beam direction) electric plate design provides effective charge state separation at the high energy end of the spectrum, the proposed new trapezoidal shape will enable the low energy ions to reach the detector, which would have been clipped or blocked by simply extending the rectangular plates to enhance the electrostatic deflection.

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Modified Thomson spectrometer design for high energy, multi-species ion sources

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