Výsledky vyhledávání - "A. L. Meadowcroft"

Pulse dilation gas Cherenkov detector for ultra-fast gamma reaction history at the NIF (invited)

Publikováno v: The Review of scientific instruments. 89(10)

The Cherenkov mechanism used in Gas Cherenkov Detectors (GCDs) is exceptionally fast. However, the temporal resolution of GCDs, such as the Gamma Reaction History diagnostic at the National Ignition Facility (NIF), has been limited by the current sta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27d96cf30ad6a8ae05327ac709de2324
https://pubmed.ncbi.nlm.nih.gov/30399731

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Improving the off-axis spatial resolution and dynamic range of the NIF X-ray streak cameras (invited)

Autor: Andrew MacPhee, Perry M. Bell, T. J. Hilsabeck, Anthony K. L. Dymoke-Bradshaw, D. K. Bradley, B. Hatch, K. Piston, J. D. Hares, J. Hassett, V. Rekow, P. Datte, N. E. Palmer, J. D. Kilkenny, Otto Landen, A. L. Meadowcroft

Publikováno v: The Review of scientific instruments. 87(11)

We report simulations and experiments that demonstrate an increase in spatial resolution of the NIF core diagnostic x-ray streak cameras by at least a factor of two, especially off axis. A design was achieved by using a corrector electron optic to fl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7efb0d8bb4b7f6acbbc0ddd28a4c3f04
https://pubmed.ncbi.nlm.nih.gov/27910532

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Characterisation of a sub-20 ps temporal resolution pulse dilation photomultiplier tube

Autor: Hartmut Herrmann, T. J. Hilsabeck, Stefan Parker, H. G. Kleinrath, D. Hussey, Yong Ho Kim, L. A. Wilson, Alex Zylstra, J. D. Kilkenny, J. D. Hares, A. Leatherland, Anthony K. L. Dymoke-Bradshaw, A. L. Meadowcroft, Colin Horsfield, Steven James, S. Gales, K. D. Meaney, James Milnes

Publikováno v: Review of Scientific Instruments. 89:063506

A pulse-dilation photomultiplier tube (PD-PMT) with sub-20 ps temporal resolution has been developed for use with γ-ray-sensitive gas Cherenkov detectors at the National Ignition Facility to improve the diagnosis of nuclear fusion burn history and t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f90295322c5ac0483283793e72a9ec88
https://doi.org/10.1063/1.5031110

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PPPS-2013: Design study into a very high temporal resolution, 2D imaging, modular UV and x-ray diagnostic: The orion time dilation imager (TIDI)

Autor: Perry M. Bell, Jonathan D. Hares, Kevin Oades, Anthony L. Meadowcroft, E. T. Gumbrell, Samuel B. Giltrap, Tony Dymoke-Bradshaw, Terrance J. Hilsabeck

Publikováno v: 2013 Abstracts IEEE International Conference on Plasma Science (ICOPS).

Summary form only given. A design study is carried out for the implementation of advanced target diagnostic capability on the Orion laser facility at AWE. An Orion Time-Dilation Imager (TIDI) is planned to provide either UV or x-ray, very high tempor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::373dcbbc4744cbbbc6553fdd8863566f
https://doi.org/10.1109/plasma.2013.6635024

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Calibration of X-ray spectrometers for opacity experiments at the Orion laser facility (invited)

Autor: K. Brent, A. L. Meadowcroft, N. Bruce, P. Allan, David Hoarty, Christopher D. B. Bentley, J. Percival, C. Opie

Publikováno v: Review of Scientific Instruments. 87:11D505

Accurately calibrated and characterised x-ray diagnostics are a key requirement in the fielding of experiments on the Orion laser where absolute measurements of x-ray emission are used to underpin the validity of models of emissivity and opacity. Dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f886c5906b1ae8d405b8f7349a5eb55
https://doi.org/10.1063/1.4962868

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ORION laser target diagnostics

Publikováno v: The Review of scientific instruments. 83(10)

The ORION laser facility is one of the UK's premier laser facilities which became operational at AWE in 2010. Its primary mission is one of stockpile stewardship, ORION will extend the UK's experimental plasma physics capability to the high temperatu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::769610e73f1f583cab573802b2e23f36
https://pubmed.ncbi.nlm.nih.gov/23126904

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A high-energy resolution x-ray spectrometer with interchangeable detectors (HEX-ID) for short-pulse laser-plasma experiments

Autor: A. L. Meadowcroft, D. F. Martin

Publikováno v: 2011 Abstracts IEEE International Conference on Plasma Science.

Summary form only given. The Henway spectrometer was developed by Koppel and Eckels at Lawrence Livemore National Laboratory, and this was followed by the later development of the HENEX spectrometer for studies of laser-plasma interactions at OMEGA (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03fa9b88194bfa54bccc845c0a4dcde7
https://doi.org/10.1109/plasma.2011.5993236

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Comprehensive description of the Orion laser facility

Publikováno v: Plasma Physics and Controlled Fusion. 57:064002

The Orion laser facility at the atomic weapons establishment (AWE) in the UK has been operational since April 2013, fielding experiments that require both its long and short pulse capability. This paper provides a full description of the facility in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc387d0b3b2fc427af1e4eb84baef360
https://doi.org/10.1088/0741-3335/57/6/064002

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