The National Ignition Facility modular Kirkpatrick-Baez microscope

Pickworth, L. A.; Ayers, J.; Bell, P.; Brejnholt, N. F.; Buscho, J. G.; Bradley, D.; Decker, T.; Hau-Riege, S.; Kilkenny, J.; McCarville, T.; Pardini, T.; Vogel, J.; Walton, C.

doi:10.1063/1.4960417

Title: The National Ignition Facility modular Kirkpatrick-Baez microscope

Journal Article · Wed Aug 10 00:00:00 EDT 2016 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4960417· OSTI ID:1367974

Pickworth, L. A. ^[1]; Ayers, J. ^[1]; Bell, P. ^[1]; Brejnholt, N. F. ^[1]; Buscho, J. G. ^[1]; Bradley, D. ^[1]; Decker, T. ^[1]; Hau-Riege, S. ^[1]; Kilkenny, J. ^[2]; McCarville, T. ^[1]; Pardini, T. ^[1]; Vogel, J. ^[1]; Walton, C. ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
General Atomics, San Diego, CA (United States)

Current two-dimensional X-ray imaging at the National Ignition Facility (NIF) uses time resolved pinhole cameras with ~10-25µm pinholes. This method has limitations in the smallest resolvable features that can be imaged with reasonable photon statistics for inertial confinement fusion (ICF) applications. ICF sources have a broadband self-emission spectrum that causes the pinhole images obtained, through thin foil filters, to contain a similarly broadband spectrum complicating the interpretation of structure in the source. In order to study phenomena on the scale of ~5 µm, such as dopant mix in the ICF capsule, a narrow energy band, higher spatial resolution microscope system with improved signal/noise has been developed using X-ray optics. Utilizing grazing incidence mirrors in a Kirkpatrick-Baez microscope (KBM) configuration, an X-ray microscope has been designed and fielded on NIF with four imaging channels. The KBM has ~12x magnification, <8 µm resolution and higher throughput in comparison to similar pinhole systems. The first KBM mirrors are coated with a multilayer mirror to allow a ‘narrow band’ energy response at 10.2keV with ΔE~3keV. By adjusting the mirror coating only, the energy response can be matched to future experimental requirements. Here, several mirror packs have been commissioned and are interchangeable in the diagnostic snout.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1367974

Report Number(s):: LLNL-CONF-694175; RSINAK

Journal Information:: Review of Scientific Instruments, Vol. 87, Issue 11; Conference: Proceedings of the 21st Topical Conference on High-Temperature Plasma Diagnostics, Madison, WI (United States), 5-9 Jun 2016; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 29 works

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References (21)

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Cited By (12)

Note: Tandem Kirkpatrick–Baez microscope with sixteen channels for high-resolution laser-plasma diagnostics Yi, Shengzhen; Zhang, Zhe; Huang, Qiushi Review of Scientific Instruments, Vol. 89, Issue 3 https://doi.org/10.1063/1.5019206	journal	March 2018
Visualizing deceleration-phase instabilities in inertial confinement fusion implosions using an “enhanced self-emission” technique at the National Ignition Facility Pickworth, L. A.; Hammel, B. A.; Smalyuk, V. A. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5025188	journal	May 2018
An x-ray optic calibration facility for high energy density diagnostics Kozioziemski, B. J.; Ayers, J.; Bell, P. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5038742	journal	October 2018
Design and raytrace simulations of a multilayer-coated Wolter x-ray optic for the Z machine at Sandia National Laboratories Vogel, J. K.; Pivovaroff, M. J.; Kozioziemski, B. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5038811	journal	October 2018
Development of new platforms for hydrodynamic instability and asymmetry measurements in deceleration phase of indirectly driven implosions on NIF Pickworth, L. A.; Hammel, B. A.; Smalyuk, V. A. Physics of Plasmas, Vol. 25, Issue 8 https://doi.org/10.1063/1.5039744	journal	August 2018
Note: New method for high-space-resolving hotspot electron temperature measurements on Shenguang-III prototype Ren, Kuan; Cao, Zhurong; Dong, Jianjun Review of Scientific Instruments, Vol. 89, Issue 9 https://doi.org/10.1063/1.5049422	journal	September 2018
Development of an adjustable Kirkpatrick-Baez microscope for laser driven x-ray sources Zeraouli, G.; Gatti, G.; Longman, A. Review of Scientific Instruments, Vol. 90, Issue 6 https://doi.org/10.1063/1.5091103	journal	June 2019
Characterization of high spatial resolution lithium fluoride X-ray detectors Mabey, P.; Albertazzi, B.; Michel, Th. Review of Scientific Instruments, Vol. 90, Issue 6 https://doi.org/10.1063/1.5092265	journal	June 2019
Pushered single shell implosions for mix and radiation trapping studies using high-Z layers on National Ignition Facility Dewald, E. L.; Pino, J. E.; Tipton, R. E. Physics of Plasmas, Vol. 26, Issue 7 https://doi.org/10.1063/1.5109426	journal	July 2019
X-ray penumbral imaging diagnostic developments at the National Ignition Facility Felker, Sean J.; Bachmann, Benjamin; Abu Shawareb, Hatim Target Diagnostics Physics and Engineering for Inertial Confinement Fusion VI https://doi.org/10.1117/12.2274611	conference	September 2017
Development of an adjustable Kirkpatrick-Baez microscope for laser driven x-ray sources at CLPU Zeraouli, G.; gatti, G.; Longman, A. arXiv https://doi.org/10.48550/arxiv.1811.04762	text	January 2018
Advanced high resolution x-ray diagnostic for HEDP experiments Faenov, A. Y.; Pikuz, T. A.; Mabey, P. Scientific Reports, Vol. 8, Issue 1 https://doi.org/10.1038/s41598-018-34717-9	journal	November 2018

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