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-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.
- Authors:
-
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1816142
- Grant/Contract Number:
- NA0003525
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 11; Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Owens, Israel, Grabowski, Chris, Biller, Andrew, Ulmen, Ben, Joseph, Nathan, Hughes, Ben, Coffey, Sean, Kirschner, Debra, and Struve, Ken. Electro-optical measurement of intense electric field on a high energy pulsed power accelerator. United States: N. p., 2021.
Web. doi:10.1038/s41598-021-89851-8.
Owens, Israel, Grabowski, Chris, Biller, Andrew, Ulmen, Ben, Joseph, Nathan, Hughes, Ben, Coffey, Sean, Kirschner, Debra, & Struve, Ken. Electro-optical measurement of intense electric field on a high energy pulsed power accelerator. United States. https://doi.org/10.1038/s41598-021-89851-8
Owens, Israel, Grabowski, Chris, Biller, Andrew, Ulmen, Ben, Joseph, Nathan, Hughes, Ben, Coffey, Sean, Kirschner, Debra, and Struve, Ken. Fri .
"Electro-optical measurement of intense electric field on a high energy pulsed power accelerator". United States. https://doi.org/10.1038/s41598-021-89851-8. https://www.osti.gov/servlets/purl/1816142.
@article{osti_1816142,
title = {Electro-optical measurement of intense electric field on a high energy pulsed power accelerator},
author = {Owens, Israel and Grabowski, Chris and Biller, Andrew and Ulmen, Ben and Joseph, Nathan and Hughes, Ben and Coffey, Sean and Kirschner, Debra and Struve, Ken},
abstractNote = {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.},
doi = {10.1038/s41598-021-89851-8},
journal = {Scientific Reports},
number = 1,
volume = 11,
place = {United States},
year = {Fri May 21 00:00:00 EDT 2021},
month = {Fri May 21 00:00:00 EDT 2021}
}
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