Deflection of carbon dioxide laser and helium‐neon laser beams in a long‐pulse relativistic electron beam diode
Deflection of carbon dioxide and helium‐neon laser beams has been used to measure plasma and neutral density gradients during the operating mode and after the shorting time of a long‐pulse field‐emission electron beam diode. Plasma density gradients of (101 4–101 5) cm−4 were observed throughout the...
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| Veröffentlicht in: | Review of scientific instruments 1991-07, Vol.62 (7), p.1776-1782 |
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| container_end_page | 1782 |
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| container_issue | 7 |
| container_start_page | 1776 |
| container_title | Review of scientific instruments |
| container_volume | 62 |
| creator | Bosch, R. A. Ching, H. Gilgenbach, R. M. Ventzek, P. L. G. Menge, P. R. Choi, J. J. Spencer, T. A. |
| description | Deflection of carbon dioxide and helium‐neon laser beams has been used to measure plasma and neutral density gradients during the operating mode and after the shorting time of a long‐pulse field‐emission electron beam diode. Plasma density gradients of (101
4–101
5) cm−4 were observed throughout the diode during the final microsecond of the 2–3 μs electron beam pulse. The neutral density gradient was less than 1×101
8 cm−4 during the electron beam pulse. Upon diode shorting, neutral density gradients increased to (101
8–101
9) cm−4 over ∼1 μs, and decayed over many microseconds. Plasma density gradients of ∼101
5 cm−4 were also observed after shorting. These experiments demonstrate the value of carbon‐dioxide laser and helium‐neon laser deflection for diagnosing plasma and neutral particles in long‐pulse electron beam diodes. |
| doi_str_mv | 10.1063/1.1142421 |
| format | Article |
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4–101
5) cm−4 were observed throughout the diode during the final microsecond of the 2–3 μs electron beam pulse. The neutral density gradient was less than 1×101
8 cm−4 during the electron beam pulse. Upon diode shorting, neutral density gradients increased to (101
8–101
9) cm−4 over ∼1 μs, and decayed over many microseconds. Plasma density gradients of ∼101
5 cm−4 were also observed after shorting. These experiments demonstrate the value of carbon‐dioxide laser and helium‐neon laser deflection for diagnosing plasma and neutral particles in long‐pulse electron beam diodes.</description><identifier>ISSN: 0034-6748</identifier><identifier>EISSN: 1089-7623</identifier><identifier>DOI: 10.1063/1.1142421</identifier><identifier>CODEN: RSINAK</identifier><language>eng</language><publisher>Woodbury, NY: American Institute of Physics</publisher><subject>440800 - Miscellaneous Instrumentation- (1990-) ; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; 700102 - Fusion Energy- Plasma Research- Diagnostics ; BEAMS ; CARBON DIOXIDE LASERS ; ELECTROMAGNETIC RADIATION ; ELECTRON BEAMS ; EMISSION ; ENERGY RANGE ; Exact sciences and technology ; FIELD EMISSION ; GAS LASERS ; HELIUM-NEON LASERS ; Instruments, apparatus, components and techniques common to several branches of physics and astronomy ; LASER RADIATION ; LASERS ; LEPTON BEAMS ; MEV RANGE ; OTHER INSTRUMENTATION ; PARTICLE BEAMS ; Physics ; PLASMA DIAGNOSTICS ; RADIATIONS</subject><ispartof>Review of scientific instruments, 1991-07, Vol.62 (7), p.1776-1782</ispartof><rights>American Institute of Physics</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-52f9790a6bcb10689eed1048c9b7cf47734abe914116048e587b9546fbee45733</citedby><cites>FETCH-LOGICAL-c390t-52f9790a6bcb10689eed1048c9b7cf47734abe914116048e587b9546fbee45733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/rsi/article-lookup/doi/10.1063/1.1142421$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,780,784,885,1559,27924,27925,76390</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5446648$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/5804944$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Bosch, R. A.</creatorcontrib><creatorcontrib>Ching, H.</creatorcontrib><creatorcontrib>Gilgenbach, R. M.</creatorcontrib><creatorcontrib>Ventzek, P. L. G.</creatorcontrib><creatorcontrib>Menge, P. R.</creatorcontrib><creatorcontrib>Choi, J. J.</creatorcontrib><creatorcontrib>Spencer, T. A.</creatorcontrib><title>Deflection of carbon dioxide laser and helium‐neon laser beams in a long‐pulse relativistic electron beam diode</title><title>Review of scientific instruments</title><description>Deflection of carbon dioxide and helium‐neon laser beams has been used to measure plasma and neutral density gradients during the operating mode and after the shorting time of a long‐pulse field‐emission electron beam diode. Plasma density gradients of (101
4–101
5) cm−4 were observed throughout the diode during the final microsecond of the 2–3 μs electron beam pulse. The neutral density gradient was less than 1×101
8 cm−4 during the electron beam pulse. Upon diode shorting, neutral density gradients increased to (101
8–101
9) cm−4 over ∼1 μs, and decayed over many microseconds. Plasma density gradients of ∼101
5 cm−4 were also observed after shorting. These experiments demonstrate the value of carbon‐dioxide laser and helium‐neon laser deflection for diagnosing plasma and neutral particles in long‐pulse electron beam diodes.</description><subject>440800 - Miscellaneous Instrumentation- (1990-)</subject><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>700102 - Fusion Energy- Plasma Research- Diagnostics</subject><subject>BEAMS</subject><subject>CARBON DIOXIDE LASERS</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>ELECTRON BEAMS</subject><subject>EMISSION</subject><subject>ENERGY RANGE</subject><subject>Exact sciences and technology</subject><subject>FIELD EMISSION</subject><subject>GAS LASERS</subject><subject>HELIUM-NEON LASERS</subject><subject>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</subject><subject>LASER RADIATION</subject><subject>LASERS</subject><subject>LEPTON BEAMS</subject><subject>MEV RANGE</subject><subject>OTHER INSTRUMENTATION</subject><subject>PARTICLE BEAMS</subject><subject>Physics</subject><subject>PLASMA DIAGNOSTICS</subject><subject>RADIATIONS</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNp9kM9KxDAQxoMouK4efIMgXhS6Jm2aNkfxPyx40XNI0okb6aZL0l305iP4jD6JKV30pHPJMPObbyYfQseUzCjhxQWdUcpyltMdNKGkFlnF82IXTQgpWMYrVu-jgxhfSYqS0gmK12BbML3rPO4sNirolDWue3MN4FZFCFj5Bi-gdevl18enh9Qf6xrUMmLnscJt519Sc7VuI-AArerdxsXeGQyDekgzAz0IN3CI9qxK4NH2naLn25unq_ts_nj3cHU5z0whSJ-VuRWVIIpro9PfagHQUMJqI3RlLKuqgikNgjJKeSpDWVdalIxbDcDKqiim6GTU7dIlMhrXg1mYzvt0kSxrwgRjCTobIRO6GANYuQpuqcK7pEQOlkoqt5Ym9nRkVyoa1dqgvHHxZ6BkjHNWJ-x8xIaVarD2X80_4U0XfkG5amzxDdHJk5Y</recordid><startdate>19910701</startdate><enddate>19910701</enddate><creator>Bosch, R. A.</creator><creator>Ching, H.</creator><creator>Gilgenbach, R. M.</creator><creator>Ventzek, P. L. G.</creator><creator>Menge, P. R.</creator><creator>Choi, J. J.</creator><creator>Spencer, T. A.</creator><general>American Institute of Physics</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19910701</creationdate><title>Deflection of carbon dioxide laser and helium‐neon laser beams in a long‐pulse relativistic electron beam diode</title><author>Bosch, R. A. ; Ching, H. ; Gilgenbach, R. M. ; Ventzek, P. L. G. ; Menge, P. R. ; Choi, J. J. ; Spencer, T. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-52f9790a6bcb10689eed1048c9b7cf47734abe914116048e587b9546fbee45733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>440800 - Miscellaneous Instrumentation- (1990-)</topic><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>700102 - Fusion Energy- Plasma Research- Diagnostics</topic><topic>BEAMS</topic><topic>CARBON DIOXIDE LASERS</topic><topic>ELECTROMAGNETIC RADIATION</topic><topic>ELECTRON BEAMS</topic><topic>EMISSION</topic><topic>ENERGY RANGE</topic><topic>Exact sciences and technology</topic><topic>FIELD EMISSION</topic><topic>GAS LASERS</topic><topic>HELIUM-NEON LASERS</topic><topic>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</topic><topic>LASER RADIATION</topic><topic>LASERS</topic><topic>LEPTON BEAMS</topic><topic>MEV RANGE</topic><topic>OTHER INSTRUMENTATION</topic><topic>PARTICLE BEAMS</topic><topic>Physics</topic><topic>PLASMA DIAGNOSTICS</topic><topic>RADIATIONS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bosch, R. A.</creatorcontrib><creatorcontrib>Ching, H.</creatorcontrib><creatorcontrib>Gilgenbach, R. M.</creatorcontrib><creatorcontrib>Ventzek, P. L. G.</creatorcontrib><creatorcontrib>Menge, P. R.</creatorcontrib><creatorcontrib>Choi, J. J.</creatorcontrib><creatorcontrib>Spencer, T. A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Review of scientific instruments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bosch, R. A.</au><au>Ching, H.</au><au>Gilgenbach, R. M.</au><au>Ventzek, P. L. G.</au><au>Menge, P. R.</au><au>Choi, J. J.</au><au>Spencer, T. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Deflection of carbon dioxide laser and helium‐neon laser beams in a long‐pulse relativistic electron beam diode</atitle><jtitle>Review of scientific instruments</jtitle><date>1991-07-01</date><risdate>1991</risdate><volume>62</volume><issue>7</issue><spage>1776</spage><epage>1782</epage><pages>1776-1782</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>Deflection of carbon dioxide and helium‐neon laser beams has been used to measure plasma and neutral density gradients during the operating mode and after the shorting time of a long‐pulse field‐emission electron beam diode. Plasma density gradients of (101
4–101
5) cm−4 were observed throughout the diode during the final microsecond of the 2–3 μs electron beam pulse. The neutral density gradient was less than 1×101
8 cm−4 during the electron beam pulse. Upon diode shorting, neutral density gradients increased to (101
8–101
9) cm−4 over ∼1 μs, and decayed over many microseconds. Plasma density gradients of ∼101
5 cm−4 were also observed after shorting. These experiments demonstrate the value of carbon‐dioxide laser and helium‐neon laser deflection for diagnosing plasma and neutral particles in long‐pulse electron beam diodes.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.1142421</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Review of scientific instruments, 1991-07, Vol.62 (7), p.1776-1782 |
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| language | eng |
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| source | AIP Digital Archive |
| subjects | 440800 - Miscellaneous Instrumentation- (1990-) 70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700102 - Fusion Energy- Plasma Research- Diagnostics BEAMS CARBON DIOXIDE LASERS ELECTROMAGNETIC RADIATION ELECTRON BEAMS EMISSION ENERGY RANGE Exact sciences and technology FIELD EMISSION GAS LASERS HELIUM-NEON LASERS Instruments, apparatus, components and techniques common to several branches of physics and astronomy LASER RADIATION LASERS LEPTON BEAMS MEV RANGE OTHER INSTRUMENTATION PARTICLE BEAMS Physics PLASMA DIAGNOSTICS RADIATIONS |
| title | Deflection of carbon dioxide laser and helium‐neon laser beams in a long‐pulse relativistic electron beam diode |
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