Electro-optical measurement of intense electric field on a high energy pulsed power accelerator
Abstract We describe a direct electro-optical approach to measuring a strong 118 MV/m narrow pulse width (~ 33 ns) electric field in the magnetically insulated transmission line (MITL) of a pulsed power accelerator. To date, this is the highest direct external electric field measured electro-optical...
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Nature Portfolio
2021
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oai:doaj.org-article:94f7e05bc9c943fa81552000188f24ab2021-12-02T15:45:21ZElectro-optical measurement of intense electric field on a high energy pulsed power accelerator10.1038/s41598-021-89851-82045-2322https://doaj.org/article/94f7e05bc9c943fa81552000188f24ab2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89851-8https://doaj.org/toc/2045-2322Abstract We describe a direct electro-optical approach to measuring a strong 118 MV/m narrow pulse width (~ 33 ns) electric field in the magnetically insulated transmission line (MITL) of a pulsed power accelerator. To date, this is the highest direct external electric field measured electro-optically in a pulsed power accelerator, and it is between two to three orders of magnitude higher than values reported in comparable high energy scientific experiments. The MITL electric field is one of the most important operating parameters in an accelerator and is critical to understanding the properties of the radiation output. However, accurately measuring these high fields using conventional pulsed power diagnostics is difficult due to the strength of interfering particles and fields. Our approach uses a free-space laser beam with a dielectric crystal sensor that is highly immune to electromagnetic interference and does not require an external calibration. Here we focus on device theory, operating parameters, laboratory and pulsed power accelerator experiments as well as challenges that were overcome in the measurement environment.Israel OwensChris GrabowskiAndrew BillerBen UlmenNathan JosephBen HughesSean CoffeyDebra KirschnerKen StruveNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021) |
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DOAJ |
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EN |
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Medicine R Science Q |
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Medicine R Science Q Israel Owens Chris Grabowski Andrew Biller Ben Ulmen Nathan Joseph Ben Hughes Sean Coffey Debra Kirschner Ken Struve Electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| description |
Abstract We describe a direct electro-optical approach to measuring a strong 118 MV/m narrow pulse width (~ 33 ns) electric field in the magnetically insulated transmission line (MITL) of a pulsed power accelerator. To date, this is the highest direct external electric field measured electro-optically in a pulsed power accelerator, and it is between two to three orders of magnitude higher than values reported in comparable high energy scientific experiments. The MITL electric field is one of the most important operating parameters in an accelerator and is critical to understanding the properties of the radiation output. However, accurately measuring these high fields using conventional pulsed power diagnostics is difficult due to the strength of interfering particles and fields. Our approach uses a free-space laser beam with a dielectric crystal sensor that is highly immune to electromagnetic interference and does not require an external calibration. Here we focus on device theory, operating parameters, laboratory and pulsed power accelerator experiments as well as challenges that were overcome in the measurement environment. |
| format |
article |
| author |
Israel Owens Chris Grabowski Andrew Biller Ben Ulmen Nathan Joseph Ben Hughes Sean Coffey Debra Kirschner Ken Struve |
| author_facet |
Israel Owens Chris Grabowski Andrew Biller Ben Ulmen Nathan Joseph Ben Hughes Sean Coffey Debra Kirschner Ken Struve |
| author_sort |
Israel Owens |
| title |
Electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| title_short |
Electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| title_full |
Electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| title_fullStr |
Electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| title_full_unstemmed |
Electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| title_sort |
electro-optical measurement of intense electric field on a high energy pulsed power accelerator |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/94f7e05bc9c943fa81552000188f24ab |
| work_keys_str_mv |
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