Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.588927
S. Sorokin, S. Chaikovsky
It is well known that plasma liner implosions are subject to MHD instabilities. The imploding liner break up when implosion approaches the axis and, as the result, the liner radial compression ratio is restricted. An initial axial magnetic field have a stabilizing effect on the liner implosion. But the axial magnetic field that is necessary to stabilize the liner implosion is too high to obtain the radial compression ratio r{sub o}/r{sub f} > 20. Some methods of the liner stabilization in addition to the entraining of an initial magnetic field were used in the experiments on the SNOP-3 generator. The stable plasma pinches were formed, as the inner shell imploded. These plasma parameters are suitable for x-ray lasing experiments.
{"title":"Double Shell Liner Implosion Experiments","authors":"S. Sorokin, S. Chaikovsky","doi":"10.1109/PLASMA.1994.588927","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.588927","url":null,"abstract":"It is well known that plasma liner implosions are subject to MHD instabilities. The imploding liner break up when implosion approaches the axis and, as the result, the liner radial compression ratio is restricted. An initial axial magnetic field have a stabilizing effect on the liner implosion. But the axial magnetic field that is necessary to stabilize the liner implosion is too high to obtain the radial compression ratio r{sub o}/r{sub f} > 20. Some methods of the liner stabilization in addition to the entraining of an initial magnetic field were used in the experiments on the SNOP-3 generator. The stable plasma pinches were formed, as the inner shell imploded. These plasma parameters are suitable for x-ray lasing experiments.","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124483477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.589104
Y.M. Li, P. Moskowitz
{"title":"analysis Of Barium Loss From Fluorescent Lamp Electrodes","authors":"Y.M. Li, P. Moskowitz","doi":"10.1109/PLASMA.1994.589104","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.589104","url":null,"abstract":"","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"206 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124493918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.588797
J. Calame, W. Lawson, J. Cheng, M.K.E. Klaherty, B. Hogan, P. Latham, V. Irwin, H. Matthews, Matthias Reiser, V. Granatstein
{"title":"Design Of 8.5 GHz Fundamental And 17 GHz Second Harmonic Gyroklystron Experiments With 100 Mw Output Power Capability","authors":"J. Calame, W. Lawson, J. Cheng, M.K.E. Klaherty, B. Hogan, P. Latham, V. Irwin, H. Matthews, Matthias Reiser, V. Granatstein","doi":"10.1109/PLASMA.1994.588797","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.588797","url":null,"abstract":"","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127725502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.588944
D. Weidman, D. Murphy, M. Myers, R.A. Meger
The expansion of the radius of a 5 MeV, 20 kA, 40 ns electron beam from SuperIBEX during propagation through gas is being measured. The beam is generated, conditions, equilibrated, and then passed through a thin foil that produces Cherenkov light, which is recorded by a streak camera. At a second location, the beam hits another Cherenkov emitter, which is viewed by a framing camera. Measurements at these two locations can provide a time-resolved measure of the beam expansion. The two measurements, however, must be synchronized with each other, because the beam radius is not constant throughout the pulse due to variations in beam current and energy. To correlate the timing of the two diagnostics, several shots have been taken with both diagnostics viewing Cherenkov light from the same foil. Experimental measurements of the Cherenkov light from one foil viewed by both diagnostics will be presented to demonstrate the feasibility of correlating the diagnostics with each other. Streak camera data showing the optical fiducial, as well as the final correlation of the two diagnostics, will also be presented. Preliminary beam radius measurements from Cherenkov light measured at two locations will be shown.
测量了5 MeV, 20 kA, 40 ns的superbex电子束在气体中传播时的半径膨胀。光束被产生、调节、平衡，然后通过产生切伦科夫光的薄片，这种光被条纹相机记录下来。在第二个位置，光束击中另一个切伦科夫发射器，由一个分幅相机观察。在这两个位置的测量可以提供光束扩展的时间分辨测量。然而，这两个测量必须彼此同步，因为由于光束电流和能量的变化，光束半径在整个脉冲中不是恒定的。为了将两个诊断的时间联系起来，我们拍摄了几张照片，让两个诊断都从同一箔上观察切伦科夫光。本文将介绍两种诊断方法对同一箔的切伦科夫光的实验测量，以证明将诊断方法相互关联的可行性。条纹相机数据显示的光学基准，以及两种诊断的最终相关性，也将被提出。将显示切伦科夫光在两个地点测量的初步光束半径。
{"title":"Synchronization Of Streak And Framing Camera Measurements Of An Intense Relativistic Electron Beam Propagating Through Gas","authors":"D. Weidman, D. Murphy, M. Myers, R.A. Meger","doi":"10.1109/PLASMA.1994.588944","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.588944","url":null,"abstract":"The expansion of the radius of a 5 MeV, 20 kA, 40 ns electron beam from SuperIBEX during propagation through gas is being measured. The beam is generated, conditions, equilibrated, and then passed through a thin foil that produces Cherenkov light, which is recorded by a streak camera. At a second location, the beam hits another Cherenkov emitter, which is viewed by a framing camera. Measurements at these two locations can provide a time-resolved measure of the beam expansion. The two measurements, however, must be synchronized with each other, because the beam radius is not constant throughout the pulse due to variations in beam current and energy. To correlate the timing of the two diagnostics, several shots have been taken with both diagnostics viewing Cherenkov light from the same foil. Experimental measurements of the Cherenkov light from one foil viewed by both diagnostics will be presented to demonstrate the feasibility of correlating the diagnostics with each other. Streak camera data showing the optical fiducial, as well as the final correlation of the two diagnostics, will also be presented. Preliminary beam radius measurements from Cherenkov light measured at two locations will be shown.","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128039059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.589156
H. Kiroloust, J. Joe, M. Basten, J. Booske, J. Scharer, Anderson, R. True, G. Scheitrum
Sheet electron beams used in conjunction with slow-wave (Cerenkov) structures are a promising way to realize higher average power millimeter-wave amplifiers. For example, a sheet beam with a meander line structure is proposed to obtain a 100 watt W-band power booster amplifier. A sheet beam with a tapered grating structure is also being considered as a wideband ({approximately} 10--20% instantaneous bandwidth) Ka-band amplifier with approximately 10 kW of average output power. The authors describe results of research that examine critical technological issues relevant to the realization of the proposed devices. The method of forming a sheet beam using magnetic quadrupole lenses and focusing it using periodically-cusped magnetic (PCM) fields are discussed. A pencil beam from a 10 kV, 0.25 A Pierce electron source is used for the initial investigations. The EGUN simulations with the measured magnetic field indicates that a thin (2 mm dia.) beam is available at the interaction region. Beam characterization has been performed using current density probes and an electrostatic velocity spread analyzer. Numerical modeling and cold test measurements of a tapered slow-wave structure together with the simulations and measurements of small-signal gain and bandwidth are also presented.
{"title":"Sheet Beam Slow-wave Amplifiers","authors":"H. Kiroloust, J. Joe, M. Basten, J. Booske, J. Scharer, Anderson, R. True, G. Scheitrum","doi":"10.1109/PLASMA.1994.589156","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.589156","url":null,"abstract":"Sheet electron beams used in conjunction with slow-wave (Cerenkov) structures are a promising way to realize higher average power millimeter-wave amplifiers. For example, a sheet beam with a meander line structure is proposed to obtain a 100 watt W-band power booster amplifier. A sheet beam with a tapered grating structure is also being considered as a wideband ({approximately} 10--20% instantaneous bandwidth) Ka-band amplifier with approximately 10 kW of average output power. The authors describe results of research that examine critical technological issues relevant to the realization of the proposed devices. The method of forming a sheet beam using magnetic quadrupole lenses and focusing it using periodically-cusped magnetic (PCM) fields are discussed. A pencil beam from a 10 kV, 0.25 A Pierce electron source is used for the initial investigations. The EGUN simulations with the measured magnetic field indicates that a thin (2 mm dia.) beam is available at the interaction region. Beam characterization has been performed using current density probes and an electrostatic velocity spread analyzer. Numerical modeling and cold test measurements of a tapered slow-wave structure together with the simulations and measurements of small-signal gain and bandwidth are also presented.","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128081012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.588871
R. Lerche, D. Phillion, G. Tietbohl
{"title":"Detector For Fusion Burn-history Measurements","authors":"R. Lerche, D. Phillion, G. Tietbohl","doi":"10.1109/PLASMA.1994.588871","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.588871","url":null,"abstract":"","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"285 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126016833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.589155
M. Kodis, R. Vanderplaats, H. Freund, E.G. Zaidman, B. Goplen, D. Smithe
{"title":"Emission Gating At Uhf And Microwave Frequencies","authors":"M. Kodis, R. Vanderplaats, H. Freund, E.G. Zaidman, B. Goplen, D. Smithe","doi":"10.1109/PLASMA.1994.589155","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.589155","url":null,"abstract":"","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"9 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121936524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.589131
R. Mason, M. Glinsky, M. Tabak
The Fast Ignitor ICF concept will use bright source lasers to induce thermonuclear ignition. The absorption of ultra-intense laser pulses at target surfaces has been predicted to generate relativistic electrons and self-magnetic fields exceeding 100 MG. The authors have used the implicit multi-fluid code ANTHEM to track the emitted hot electrons from the corona, where they drive a fast expansion of the ions, to the dense target interior where they are slowed and absorbed into the background by collisions. In the absence of ponderomotive effects, the external magnetic field has the usual thermoelectric polarity, while a weaker field with reversed polarity is produced below critical. The authors will discuss field and transport changes associated with the inclusion of ponderomotive influences.
{"title":"Poneromotive effects on magnetic fields and electron transport under fast ignitor conditions","authors":"R. Mason, M. Glinsky, M. Tabak","doi":"10.1109/PLASMA.1994.589131","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.589131","url":null,"abstract":"The Fast Ignitor ICF concept will use bright source lasers to induce thermonuclear ignition. The absorption of ultra-intense laser pulses at target surfaces has been predicted to generate relativistic electrons and self-magnetic fields exceeding 100 MG. The authors have used the implicit multi-fluid code ANTHEM to track the emitted hot electrons from the corona, where they drive a fast expansion of the ions, to the dense target interior where they are slowed and absorbed into the background by collisions. In the absence of ponderomotive effects, the external magnetic field has the usual thermoelectric polarity, while a weaker field with reversed polarity is produced below critical. The authors will discuss field and transport changes associated with the inclusion of ponderomotive influences.","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132189651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.589067
J. Weaver, S. Kobayashi, Y. Carmel, W. Main, G. Nusinovich, K. Ogurat, M.R. Amint, S. Watanabet, K. Minamit, J. Tate, A. Bromborskyt, W. Destler, V. Granatstein
The slow wave structure supporting the beam-wave interaction in a relativistic backward wave oscillator (BWO) requires a carefully designed output waveguide in order to couple the electromagnetic wave to a radiating antenna. The coupling between these two sections determines the quality factor (Q) of the slow wave structure and affects the starting current and the saturation processes occurring when the electron beam is injected into the device. For some applications, the end reflection and quality factor are made as low as possible over a wide frequency band. The authors goal has been to study the end reflection and quality factor of a practical slow wave structure both experimentally and numerically. When both ends of the slow wave structure are shorted, a resonant cavity is formed that can have a high quality factor (1,000--3,000) since the only losses are due to ohmic heating of the cavity walls. By introduction of an output section additional diffractive losses are created. The width of the resonances grows larger, i.e. the Q of the cavity has been lowered to 200--300 in some cases. The quality factors for all the axial modes of the TM{sub 01} mode in a closed cavity have been measured as havemore » the quality factors for the same modes when the cavity is coupled to a smooth, linearly tapered output section. From these two sets of data, the magnitude of the reflection coefficient has been calculated. A calculation of the Q-value has also been completed.« less
{"title":"Studies Of Low Q Slow Wave Structures For Relativistic Backward Wave Devices","authors":"J. Weaver, S. Kobayashi, Y. Carmel, W. Main, G. Nusinovich, K. Ogurat, M.R. Amint, S. Watanabet, K. Minamit, J. Tate, A. Bromborskyt, W. Destler, V. Granatstein","doi":"10.1109/PLASMA.1994.589067","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.589067","url":null,"abstract":"The slow wave structure supporting the beam-wave interaction in a relativistic backward wave oscillator (BWO) requires a carefully designed output waveguide in order to couple the electromagnetic wave to a radiating antenna. The coupling between these two sections determines the quality factor (Q) of the slow wave structure and affects the starting current and the saturation processes occurring when the electron beam is injected into the device. For some applications, the end reflection and quality factor are made as low as possible over a wide frequency band. The authors goal has been to study the end reflection and quality factor of a practical slow wave structure both experimentally and numerically. When both ends of the slow wave structure are shorted, a resonant cavity is formed that can have a high quality factor (1,000--3,000) since the only losses are due to ohmic heating of the cavity walls. By introduction of an output section additional diffractive losses are created. The width of the resonances grows larger, i.e. the Q of the cavity has been lowered to 200--300 in some cases. The quality factors for all the axial modes of the TM{sub 01} mode in a closed cavity have been measured as havemore » the quality factors for the same modes when the cavity is coupled to a smooth, linearly tapered output section. From these two sets of data, the magnitude of the reflection coefficient has been calculated. A calculation of the Q-value has also been completed.« less","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132369763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1994-06-06DOI: 10.1109/PLASMA.1994.589027
R. Leeper, J. Bailey, A. Carlson, G. Chandler, M.S. Derzon, R.J. Dukart, D. Hebron, L. P. Mix, A. Moats, T. Nash, D. Noack, W. Olson, J. Porter, C. Ruiz, F.A. Schmidlapp, M. Stark, J. Torres, D. Wenger, R. Olsen
Development of Transient Internal Probe (TIP) Magnetic Field Diagnostic. J.P. Galambos, MA. Bohnet, T.R. Jarboe, A.T. Mattick, t h d j $ %&+ The Transient Internal Probe (TIP) is designed to permit measurement of internal magnetic fields in hot, high density plasmas. The concept consists of accelerating a probe to high velocities (2.2 Km/s) in order to minimize probe exposure time to plasma. Faraday rotation within the probe is used to measure the local magnetic field. An Argon laser illuminates the probe consisting of a Faraday-rotator material with a retro-reflector that r e m s the incident light to the detection system. Performance results of the light gas gun and optical detection system will shown. To date, the gas gun has been extensively tested consistently achieving velocities between 2 and 3 Ms. The probe and detection scheme have been tested by dropping the probe through a static magnetic field. Magnetic field resolution of 20 gauss and spatial resolution of 5 mm has been achieved. System frequency response is 10Mhz. Work is currently being conducted to integrate the diagnostic system with laboratory plasma experiments. Specifically a gas interfaced system has been developed to prevent helium muzzle gas from entering the plasma chamber with the probe. Additionally the probe must be separated from the sabot which protects the probe during acceleration in the gas gun. Data will be presented showing the results of various separation techniques. Results of pressure measurements illustrating the effectiveness of the gas interface system will also be presented. The diagnostic is scheduled to make measurements on the Helicity Injected Toms (HIT) at the University of Washington. 4P29
{"title":"Comprehensive Diagnostic Set For Intense Lithium Ion Hohlraum Experiments On Pbfa II","authors":"R. Leeper, J. Bailey, A. Carlson, G. Chandler, M.S. Derzon, R.J. Dukart, D. Hebron, L. P. Mix, A. Moats, T. Nash, D. Noack, W. Olson, J. Porter, C. Ruiz, F.A. Schmidlapp, M. Stark, J. Torres, D. Wenger, R. Olsen","doi":"10.1109/PLASMA.1994.589027","DOIUrl":"https://doi.org/10.1109/PLASMA.1994.589027","url":null,"abstract":"Development of Transient Internal Probe (TIP) Magnetic Field Diagnostic. J.P. Galambos, MA. Bohnet, T.R. Jarboe, A.T. Mattick, t h d j $ %&+ The Transient Internal Probe (TIP) is designed to permit measurement of internal magnetic fields in hot, high density plasmas. The concept consists of accelerating a probe to high velocities (2.2 Km/s) in order to minimize probe exposure time to plasma. Faraday rotation within the probe is used to measure the local magnetic field. An Argon laser illuminates the probe consisting of a Faraday-rotator material with a retro-reflector that r e m s the incident light to the detection system. Performance results of the light gas gun and optical detection system will shown. To date, the gas gun has been extensively tested consistently achieving velocities between 2 and 3 Ms. The probe and detection scheme have been tested by dropping the probe through a static magnetic field. Magnetic field resolution of 20 gauss and spatial resolution of 5 mm has been achieved. System frequency response is 10Mhz. Work is currently being conducted to integrate the diagnostic system with laboratory plasma experiments. Specifically a gas interfaced system has been developed to prevent helium muzzle gas from entering the plasma chamber with the probe. Additionally the probe must be separated from the sabot which protects the probe during acceleration in the gas gun. Data will be presented showing the results of various separation techniques. Results of pressure measurements illustrating the effectiveness of the gas interface system will also be presented. The diagnostic is scheduled to make measurements on the Helicity Injected Toms (HIT) at the University of Washington. 4P29","PeriodicalId":254741,"journal":{"name":"Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130160105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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