A wide field of view plasma spectrometer
We present a fundamentally new type of space plasma spectrometer, the wide field of view plasma spectrometer, whose field of view is > 1.25π ster using fewer resources than traditional methods. The enabling component is analogous to a pinhole camera with an electrostatic energy‐angle filter at th...
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| Veröffentlicht in: | Journal of geophysical research. Space physics 2016-07, Vol.121 (7), p.6590-6601 |
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| container_end_page | 6601 |
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| container_issue | 7 |
| container_start_page | 6590 |
| container_title | Journal of geophysical research. Space physics |
| container_volume | 121 |
| creator | Skoug, R. M. Funsten, H. O. Möbius, E. Harper, R. W. Kihara, K. H. Bower, J. S. |
| description | We present a fundamentally new type of space plasma spectrometer, the wide field of view plasma spectrometer, whose field of view is > 1.25π ster using fewer resources than traditional methods. The enabling component is analogous to a pinhole camera with an electrostatic energy‐angle filter at the image plane. Particle energy‐per‐charge is selected with a tunable bias voltage applied to the filter plate relative to the pinhole aperture plate. For a given bias voltage, charged particles from different directions are focused by different angles to different locations. Particles with appropriate locations and angles can transit the filter plate and are measured using a microchannel plate detector with a position‐sensitive anode. Full energy and angle coverage are obtained using a single high‐voltage power supply, resulting in considerable resource savings and allowing measurements at fast timescales. We present laboratory prototype measurements and simulations demonstrating the instrument concept and discuss optimizations of the instrument design for application to space measurements.
Key Points
WPS plasma spectrometer based on pinhole camera with electrostatic energy‐angle filter
WPS provides fast measurements over nearly 2 pi field of view
WPS measurements obtained for reduced resources |
| doi_str_mv | 10.1002/2016JA022581 |
| format | Article |
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Key Points
WPS plasma spectrometer based on pinhole camera with electrostatic energy‐angle filter
WPS provides fast measurements over nearly 2 pi field of view
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Key Points
WPS plasma spectrometer based on pinhole camera with electrostatic energy‐angle filter
WPS provides fast measurements over nearly 2 pi field of view
WPS measurements obtained for reduced resources</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>Anodes</subject><subject>Bias</subject><subject>Cameras</subject><subject>Charged particles</subject><subject>Design optimization</subject><subject>Electric potential</subject><subject>Electric power supplies</subject><subject>Electrostatics</subject><subject>Energy consumption</subject><subject>Energy measurement</subject><subject>energy‐angle filter</subject><subject>Field of view</subject><subject>Heliospheric and Magnetospheric Physics</subject><subject>OTHER INSTRUMENTATION</subject><subject>Particle energy</subject><subject>pinhole camera</subject><subject>Plasma</subject><subject>Plasma (physics)</subject><subject>plasma spectrometer</subject><subject>Position (location)</subject><subject>Position measurement</subject><subject>Simulation</subject><subject>Spectrometers</subject><subject>Transit</subject><subject>Voltage</subject><issn>2169-9380</issn><issn>2169-9402</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqN0U1LwzAYB_AgCo65mx-g6GUHq3lvcixDp2MgiJ5DlibY0TY16Rz79kaqIB7EXBIefiT_Jw8A5wheIwjxDYaIr0qIMRPoCEww4jKXFOLj7zMR8BTMYtzCtEQqITYB8zLb15XNXG2bKvMue6_tPusbHVudxd6aIfjWDjacgROnm2hnX_sUvNzdPi_u8_Xj8mFRrnNDOed5JRm3bCMZNcwhpzdMQMYlpVrCwqCC86Jy1DhUYJ3CUUw4wlo6U6Qi1YJMwcV4r49DraKpB2teje-6FEUhAmlKntB8RH3wbzsbB9XW0dim0Z31u6iQIIxxgbD4B0Upn4AFTvTyF936XehStwpJyItCYir_VOlFgoUkJKmrUZngYwzWqT7UrQ4HhaD6nJf6Oa_Eycj3dWMPf1q1Wj6VDKefJB8WZJBI</recordid><startdate>201607</startdate><enddate>201607</enddate><creator>Skoug, R. M.</creator><creator>Funsten, H. O.</creator><creator>Möbius, E.</creator><creator>Harper, R. W.</creator><creator>Kihara, K. H.</creator><creator>Bower, J. S.</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>201607</creationdate><title>A wide field of view plasma spectrometer</title><author>Skoug, R. M. ; Funsten, H. O. ; Möbius, E. ; Harper, R. W. ; Kihara, K. H. ; Bower, J. 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M.</creatorcontrib><creatorcontrib>Funsten, H. O.</creatorcontrib><creatorcontrib>Möbius, E.</creatorcontrib><creatorcontrib>Harper, R. W.</creatorcontrib><creatorcontrib>Kihara, K. H.</creatorcontrib><creatorcontrib>Bower, J. S.</creatorcontrib><creatorcontrib>Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Journal of geophysical research. Space physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Skoug, R. M.</au><au>Funsten, H. O.</au><au>Möbius, E.</au><au>Harper, R. W.</au><au>Kihara, K. H.</au><au>Bower, J. S.</au><aucorp>Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A wide field of view plasma spectrometer</atitle><jtitle>Journal of geophysical research. Space physics</jtitle><date>2016-07</date><risdate>2016</risdate><volume>121</volume><issue>7</issue><spage>6590</spage><epage>6601</epage><pages>6590-6601</pages><issn>2169-9380</issn><eissn>2169-9402</eissn><abstract>We present a fundamentally new type of space plasma spectrometer, the wide field of view plasma spectrometer, whose field of view is > 1.25π ster using fewer resources than traditional methods. The enabling component is analogous to a pinhole camera with an electrostatic energy‐angle filter at the image plane. Particle energy‐per‐charge is selected with a tunable bias voltage applied to the filter plate relative to the pinhole aperture plate. For a given bias voltage, charged particles from different directions are focused by different angles to different locations. Particles with appropriate locations and angles can transit the filter plate and are measured using a microchannel plate detector with a position‐sensitive anode. Full energy and angle coverage are obtained using a single high‐voltage power supply, resulting in considerable resource savings and allowing measurements at fast timescales. We present laboratory prototype measurements and simulations demonstrating the instrument concept and discuss optimizations of the instrument design for application to space measurements.
Key Points
WPS plasma spectrometer based on pinhole camera with electrostatic energy‐angle filter
WPS provides fast measurements over nearly 2 pi field of view
WPS measurements obtained for reduced resources</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2016JA022581</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 2169-9380 |
| ispartof | Journal of geophysical research. Space physics, 2016-07, Vol.121 (7), p.6590-6601 |
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| language | eng |
| recordid | cdi_osti_scitechconnect_1304816 |
| source | Wiley Online Library Journals Frontfile Complete; Wiley Free Content |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY Anodes Bias Cameras Charged particles Design optimization Electric potential Electric power supplies Electrostatics Energy consumption Energy measurement energy‐angle filter Field of view Heliospheric and Magnetospheric Physics OTHER INSTRUMENTATION Particle energy pinhole camera Plasma Plasma (physics) plasma spectrometer Position (location) Position measurement Simulation Spectrometers Transit Voltage |
| title | A wide field of view plasma spectrometer |
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