The National Ignition Facility modular Kirkpatrick-Baez microscope
Current two-dimensional X-ray imaging at the National Ignition Facility (NIF) uses time resolved pinhole cameras with ∼10-25 μm pinholes. This method has limitations in the smallest resolvable features that can be imaged with reasonable photon statistics for inertial confinement fusion (ICF) applica...
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| Veröffentlicht in: | Review of scientific instruments 2016-11, Vol.87 (11), p.11E316-11E316 |
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| creator | 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. |
| description | Current two-dimensional X-ray imaging at the National Ignition Facility (NIF) uses time resolved pinhole cameras with ∼10-25 μm 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 [P. Kirkpatrick and A. V. Baez, J. Opt. Soc. Am. 38, 766–774 (1948)], an X-ray microscope has been designed and fielded on NIF with four imaging channels. The KBM has ∼12 × magnification, |
| doi_str_mv | 10.1063/1.4960417 |
| format | Article |
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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.</creator><creatorcontrib>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. ; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)</creatorcontrib><description>Current two-dimensional X-ray imaging at the National Ignition Facility (NIF) uses time resolved pinhole cameras with ∼10-25 μm 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 [P. Kirkpatrick and A. V. Baez, J. Opt. Soc. Am. 38, 766–774 (1948)], an X-ray microscope has been designed and fielded on NIF with four imaging channels. The KBM has ∼12 × 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 10.2 keV with ΔE ∼ 3 keV. By adjusting the mirror coating only, the energy response can be matched to the future experimental requirements. Several mirror packs have been commissioned and are interchangeable in the diagnostic snout.</description><identifier>ISSN: 0034-6748</identifier><identifier>EISSN: 1089-7623</identifier><identifier>DOI: 10.1063/1.4960417</identifier><identifier>PMID: 27910471</identifier><identifier>CODEN: RSINAK</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>70 PLASMA PHYSICS AND FUSION ; Broadband ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; Diagnostic systems ; Foils ; Ignition ; Inertial confinement fusion ; Multilayers ; Pinhole cameras ; Pinholes ; Scientific apparatus & instruments ; Spatial resolution ; X ray optics</subject><ispartof>Review of scientific instruments, 2016-11, Vol.87 (11), p.11E316-11E316</ispartof><rights>Author(s)</rights><rights>2016 Author(s). 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A.</creatorcontrib><creatorcontrib>Ayers, J.</creatorcontrib><creatorcontrib>Bell, P.</creatorcontrib><creatorcontrib>Brejnholt, N. F.</creatorcontrib><creatorcontrib>Buscho, J. G.</creatorcontrib><creatorcontrib>Bradley, D.</creatorcontrib><creatorcontrib>Decker, T.</creatorcontrib><creatorcontrib>Hau-Riege, S.</creatorcontrib><creatorcontrib>Kilkenny, J.</creatorcontrib><creatorcontrib>McCarville, T.</creatorcontrib><creatorcontrib>Pardini, T.</creatorcontrib><creatorcontrib>Vogel, J.</creatorcontrib><creatorcontrib>Walton, C.</creatorcontrib><creatorcontrib>Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)</creatorcontrib><title>The National Ignition Facility modular Kirkpatrick-Baez microscope</title><title>Review of scientific instruments</title><addtitle>Rev Sci Instrum</addtitle><description>Current two-dimensional X-ray imaging at the National Ignition Facility (NIF) uses time resolved pinhole cameras with ∼10-25 μm 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 [P. Kirkpatrick and A. V. Baez, J. Opt. Soc. Am. 38, 766–774 (1948)], an X-ray microscope has been designed and fielded on NIF with four imaging channels. The KBM has ∼12 × 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 10.2 keV with ΔE ∼ 3 keV. By adjusting the mirror coating only, the energy response can be matched to the future experimental requirements. Several mirror packs have been commissioned and are interchangeable in the diagnostic snout.</description><subject>70 PLASMA PHYSICS AND FUSION</subject><subject>Broadband</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>Diagnostic systems</subject><subject>Foils</subject><subject>Ignition</subject><subject>Inertial confinement fusion</subject><subject>Multilayers</subject><subject>Pinhole cameras</subject><subject>Pinholes</subject><subject>Scientific apparatus & instruments</subject><subject>Spatial resolution</subject><subject>X ray optics</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90MtOxCAUBmBiNDpeFr6AaXSjJh05hQJdqvEWjW7GNWEoVbQtFVoTfXoZZ9TERNnA4svPOT9C24DHgBk5gjEtGKbAl9AIsChSzjKyjEYYE5oyTsUaWg_hCceTA6yitYwXgCmHETqZPJrkVvXWtapOrh5aO3sm50rb2vZvSePKoVY-ubb-uVO9t_o5PVHmPWms9i5o15lNtFKpOpitxb2B7s_PJqeX6c3dxdXp8U2q46d9yqbAMkWp0JhXwFWuRWbKcqqJJiCw4SantCRxQpKVRZFTUhbA8gorDVRUhmyg3XmuC72VQdve6Eft2tboXgJhvOA0ov056rx7GUzoZWODNnWtWuOGIEHQXGSCkzzSvV_0yQ0-1hBkBhmwIhdURHUwV7N1gzeV7LxtlH-TgOWsfQly0X60O4vEYdqY8lt-1R3B4RzMpv8s_d-0P_Gr8z9QdmVFPgD5FJhb</recordid><startdate>20161101</startdate><enddate>20161101</enddate><creator>Pickworth, L. A.</creator><creator>Ayers, J.</creator><creator>Bell, P.</creator><creator>Brejnholt, N. F.</creator><creator>Buscho, J. G.</creator><creator>Bradley, D.</creator><creator>Decker, T.</creator><creator>Hau-Riege, S.</creator><creator>Kilkenny, J.</creator><creator>McCarville, T.</creator><creator>Pardini, T.</creator><creator>Vogel, J.</creator><creator>Walton, C.</creator><general>American Institute of Physics</general><general>American Institute of Physics (AIP)</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20161101</creationdate><title>The National Ignition Facility modular Kirkpatrick-Baez microscope</title><author>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.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c511t-6b162a448c07f17a5c82eddbc3c3180e7e544d305132d99543d9165f0ac148fe3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>70 PLASMA PHYSICS AND FUSION</topic><topic>Broadband</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>Diagnostic systems</topic><topic>Foils</topic><topic>Ignition</topic><topic>Inertial confinement fusion</topic><topic>Multilayers</topic><topic>Pinhole cameras</topic><topic>Pinholes</topic><topic>Scientific apparatus & instruments</topic><topic>Spatial resolution</topic><topic>X ray optics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pickworth, L. A.</creatorcontrib><creatorcontrib>Ayers, J.</creatorcontrib><creatorcontrib>Bell, P.</creatorcontrib><creatorcontrib>Brejnholt, N. F.</creatorcontrib><creatorcontrib>Buscho, J. 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A.</au><au>Ayers, J.</au><au>Bell, P.</au><au>Brejnholt, N. F.</au><au>Buscho, J. G.</au><au>Bradley, D.</au><au>Decker, T.</au><au>Hau-Riege, S.</au><au>Kilkenny, J.</au><au>McCarville, T.</au><au>Pardini, T.</au><au>Vogel, J.</au><au>Walton, C.</au><aucorp>Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The National Ignition Facility modular Kirkpatrick-Baez microscope</atitle><jtitle>Review of scientific instruments</jtitle><addtitle>Rev Sci Instrum</addtitle><date>2016-11-01</date><risdate>2016</risdate><volume>87</volume><issue>11</issue><spage>11E316</spage><epage>11E316</epage><pages>11E316-11E316</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>Current two-dimensional X-ray imaging at the National Ignition Facility (NIF) uses time resolved pinhole cameras with ∼10-25 μm 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 [P. Kirkpatrick and A. V. Baez, J. Opt. Soc. Am. 38, 766–774 (1948)], an X-ray microscope has been designed and fielded on NIF with four imaging channels. The KBM has ∼12 × 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 10.2 keV with ΔE ∼ 3 keV. By adjusting the mirror coating only, the energy response can be matched to the future experimental requirements. Several mirror packs have been commissioned and are interchangeable in the diagnostic snout.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>27910471</pmid><doi>10.1063/1.4960417</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Review of scientific instruments, 2016-11, Vol.87 (11), p.11E316-11E316 |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | 70 PLASMA PHYSICS AND FUSION Broadband CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Diagnostic systems Foils Ignition Inertial confinement fusion Multilayers Pinhole cameras Pinholes Scientific apparatus & instruments Spatial resolution X ray optics |
| title | The National Ignition Facility modular Kirkpatrick-Baez microscope |
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