Ben Held
National Instruments
23 Papers
43 Citations
Ben Held is an academic researcher from National Instruments. The author has contributed to research in topics: Finite element method & Inductive output tube. The author has an hindex of 4, co-authored 23 publications.
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Papers
The new 3D electron gun and collector modeling tool: MICHELLE
J. Petillo,K. Eppley,D. Panagos,P. Blanchard,T. McClure,A. Mondelli,Eric Nelson,N. Dionne,J. DeFord,Ben Held,L. Chernyakova,S. Humphries,J. Burdette,M. Cattelino,Richard True,Khanh T. Nguyen,B. Levush +16 more
- 02 May 2000
TL;DR: A 3D finite-element gun and collector modeling code, MICHELLE as discussed by the authors, was developed at SAIC in collaboration with industrial partners and national laboratories to address the shortcomings of current beam optics simulation and modeling tools for vacuum electron devices.
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Current capabilities of the Finite-Element MICHELLE gun & collector simulation code
J. Petillo,D. Panagos,Ben Held,J. DeFord,Khanh T. Nguyen,Kevin L. Jensen,Baruch Levush +6 more
- 22 Apr 2008
TL;DR: The MICHELLE code as mentioned in this paper is a finite-element electrostatic particle in cell code for application to 2D and 3D particle beam formation, transport, and collection, which has other applications such as RF electron guns, ion thrusters, photocathodes, etc.
Design and Optimization Electron Guns and Depressed Collectors Using the MICHELLE code in the ANALYST Environment
John Petillo,Dimitrios Panagos,W. Stoner,J. DeFord,Ben Held,E.M. Nelson,B. Levush +6 more
- 15 May 2007
TL;DR: In this paper, various procedures for optimization of electron guns as well as multistage depressed collectors are discussed, and the potential benefits of optimization techniques become even more significant, as the ability to accurately predict device performance continues to improve.
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Recent advances in the MICHELLE 2D/3D electron gun and collector modeling code
J. Petillo,K. Eppley,L. Chernyakova,D. Panagos,J. Burdette,Eric Nelson,Xiaoling Zhai,N. Dionne,M. Cattelino,J. DeFord,Khanh T. Nguyen,Ben Held,B. Levush +12 more
- 27 Apr 2004
TL;DR: The MICHELLE as discussed by the authors code is a new finite-element (FE) two-dimensional and three-dimensional (3D) electrostatic particle-in-cell (PIC) code that has been designed to address the recent beam optics modeling and simulation requirements for vacuum electron devices, ion sources, and charged-particle transport.
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Advanced electron guns and depressed collectors design and optimization using the MICHELLE / ANALYST Environment
Ben Held,J. DeFord,John Petillo,Dimitrios Panagos,E.M. Nelson,B. Levush +5 more
- 22 Apr 2008
TL;DR: In this article, the authors discuss methods for optimization of electron guns as well as multistage depressed collectors for millimeter and sub-millimeter wavelengths and discuss the potential benefits of optimization techniques.
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