Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere

E. Nedanovska; D. Riley; C. L. S. Lewis; T. Morgan; L. Huewel; G. Nersisyan; W. G. Graham

doi:10.1063/1.4707851

Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere

E. Nedanovska, D. Riley, C. L. S. Lewis, T. Morgan, L. Huewel, G. Nersisyan, W. G. Graham

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

We have carried out optical Thomson scattering measurements from a laser induced breakdown in He at 1 atmosphere. The breakdown was created with a Nd:YAG laser with 9ns pulse duration and 400mJ pulse energy focused into a chamber filled with He. A second harmonic Nd: YAG laser with 9ns pulses and up to 80mJ energy was used to obtain temporally and spatially resolved data on the electron density and temperature. In parallel experiments, we measured the emission of the 447.1nm line from He I. Initial results suggest good agreement between densities inferred but full Abel inversion is needed for conclusive results.

Original language	English
Title of host publication	17TH INTERNATIONAL CONFERENCE ON ATOMIC PROCESSES IN PLASMAS (ICAPIP)
Editors	K Aggarwal, F Shearer
Place of Publication	MELVILLE
Publisher	AMER INST PHYSICS
Pages	29-32
Number of pages	4
Volume	1438
ISBN (Print)	978-0-7354-1029-9
DOIs	https://doi.org/10.1063/1.4707851
Publication status	Published - 2012
Event	17th International Conference on Atomic Processes in Plasmas (ICAPiP) - Belfast, United Kingdom Duration: 19 Jul 2011 → 22 Jul 2011

Conference

Conference	17th International Conference on Atomic Processes in Plasmas (ICAPiP)
Country/Territory	United Kingdom
City	Belfast
Period	19/07/2011 → 22/07/2011

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10.1063/1.4707851

Cite this

Nedanovska, E., Riley, D., Lewis, C. L. S., Morgan, T., Huewel, L., Nersisyan, G., & Graham, W. G. (2012). Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere. In K. Aggarwal, & F. Shearer (Eds.), 17TH INTERNATIONAL CONFERENCE ON ATOMIC PROCESSES IN PLASMAS (ICAPIP) (Vol. 1438, pp. 29-32). AMER INST PHYSICS. https://doi.org/10.1063/1.4707851

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title = "Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere",

abstract = "We have carried out optical Thomson scattering measurements from a laser induced breakdown in He at 1 atmosphere. The breakdown was created with a Nd:YAG laser with 9ns pulse duration and 400mJ pulse energy focused into a chamber filled with He. A second harmonic Nd: YAG laser with 9ns pulses and up to 80mJ energy was used to obtain temporally and spatially resolved data on the electron density and temperature. In parallel experiments, we measured the emission of the 447.1nm line from He I. Initial results suggest good agreement between densities inferred but full Abel inversion is needed for conclusive results.",

author = "E. Nedanovska and D. Riley and Lewis, {C. L. S.} and T. Morgan and L. Huewel and G. Nersisyan and Graham, {W. G.}",

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language = "English",

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Nedanovska, E, Riley, D , Lewis, CLS, Morgan, T, Huewel, L, Nersisyan, G & Graham, WG 2012, Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere. in K Aggarwal & F Shearer (eds), 17TH INTERNATIONAL CONFERENCE ON ATOMIC PROCESSES IN PLASMAS (ICAPIP). vol. 1438, AMER INST PHYSICS, MELVILLE, pp. 29-32, 17th International Conference on Atomic Processes in Plasmas (ICAPiP), Belfast, United Kingdom, 19/07/2011. https://doi.org/10.1063/1.4707851

Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere. / Nedanovska, E.; Riley, D.; Lewis, C. L. S. et al.
17TH INTERNATIONAL CONFERENCE ON ATOMIC PROCESSES IN PLASMAS (ICAPIP). ed. / K Aggarwal; F Shearer. Vol. 1438 MELVILLE: AMER INST PHYSICS, 2012. p. 29-32.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - We have carried out optical Thomson scattering measurements from a laser induced breakdown in He at 1 atmosphere. The breakdown was created with a Nd:YAG laser with 9ns pulse duration and 400mJ pulse energy focused into a chamber filled with He. A second harmonic Nd: YAG laser with 9ns pulses and up to 80mJ energy was used to obtain temporally and spatially resolved data on the electron density and temperature. In parallel experiments, we measured the emission of the 447.1nm line from He I. Initial results suggest good agreement between densities inferred but full Abel inversion is needed for conclusive results.

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Nedanovska E, Riley D , Lewis CLS, Morgan T, Huewel L, Nersisyan G et al. Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere. In Aggarwal K, Shearer F, editors, 17TH INTERNATIONAL CONFERENCE ON ATOMIC PROCESSES IN PLASMAS (ICAPIP). Vol. 1438. MELVILLE: AMER INST PHYSICS. 2012. p. 29-32 doi: 10.1063/1.4707851

Comparing Optical Thomson Scattering With Emission Spectroscopy In He Plasmas Induced By Laser Breakdown At 1 Atmosphere

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