Single shot, temporally and spatially resolved measurements of fast electron dynamics using a chirped optical probe

J. Green; C.D. Murphy; Nicola Booth; Rachel Dance; Ross Gray; David MacLellan; Paul McKenna; Dean Rusby; Lucy Wilson

doi:10.1088/1748-0221/9/03/P03003

Single shot, temporally and spatially resolved measurements of fast electron dynamics using a chirped optical probe

J. Green, C.D. Murphy, Nicola Booth, Rachel Dance, Ross Gray, David MacLellan, Paul McKenna, Dean Rusby, Lucy Wilson

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

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Abstract

A new approach to rear surface optical probing is presented that permits multiple, time-resolved 2D measurements to be made during a single, ultra-intense ( > 1018 W cm−2) laser-plasma interaction. The diagnostic is capable of resolving rapid changes in target reflectivity which can be used to infer valuable information on fast electron transport and plasma formation at the target rear surface. Initial results from the Astra-Gemini laser are presented, with rapid radial sheath expansion together with detailed filamentary features being observed to evolve during single shots.

Original language	English
Article number	P03003
Number of pages	10
Journal	Journal of Instrumentation
Volume	9
Issue number	March
DOIs	https://doi.org/10.1088/1748-0221/9/03/P03003
Publication status	Published - Mar 2014

Keywords

plasma diagnostics
high speed photography
plasma sheaths
laser plasma interactions

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10.1088/1748-0221/9/03/P03003Licence: CC BY 3.0

1748_0221_9_03_P03003Final published version, 2.28 MBLicence: CC BY 4.0

Multi-PetaWatt Laser-Plasma Interactions: A New Frontier in Physics
McKenna, P. (Fellow)
EPSRC (Engineering and Physical Sciences Research Council)
1/03/12 → 28/02/17
Project: Research Fellowship

Cite this

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abstract = "A new approach to rear surface optical probing is presented that permits multiple, time-resolved 2D measurements to be made during a single, ultra-intense ( > 1018 W cm−2) laser-plasma interaction. The diagnostic is capable of resolving rapid changes in target reflectivity which can be used to infer valuable information on fast electron transport and plasma formation at the target rear surface. Initial results from the Astra-Gemini laser are presented, with rapid radial sheath expansion together with detailed filamentary features being observed to evolve during single shots.",

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AU - Green, J.

AU - Murphy, C.D.

AU - Booth, Nicola

AU - Dance, Rachel

AU - Gray, Ross

AU - MacLellan, David

AU - McKenna, Paul

AU - Rusby, Dean

AU - Wilson, Lucy

PY - 2014/3

Y1 - 2014/3

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AB - A new approach to rear surface optical probing is presented that permits multiple, time-resolved 2D measurements to be made during a single, ultra-intense ( > 1018 W cm−2) laser-plasma interaction. The diagnostic is capable of resolving rapid changes in target reflectivity which can be used to infer valuable information on fast electron transport and plasma formation at the target rear surface. Initial results from the Astra-Gemini laser are presented, with rapid radial sheath expansion together with detailed filamentary features being observed to evolve during single shots.

KW - plasma diagnostics

KW - high speed photography

KW - plasma sheaths

KW - laser plasma interactions

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DO - 10.1088/1748-0221/9/03/P03003

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JO - Journal of Instrumentation

JF - Journal of Instrumentation

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M1 - P03003

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Single shot, temporally and spatially resolved measurements of fast electron dynamics using a chirped optical probe

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Keywords

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Multi-PetaWatt Laser-Plasma Interactions: A New Frontier in Physics

Cite this