Multi-energy SXR cameras for magnetically confined fusion plasmas (invited)
Abstract
A compact multi-energy soft x-ray camera has been developed for time, energy and space-resolved measurements of the soft-x-ray emissivity in magnetically confined fusion plasmas. Multi-energy soft x-ray imaging provides a unique opportunity for measuring, simultaneously, a variety of important plasma properties (Te, nZ, ΔZeff, and ne,fast). The electron temperature can be obtained by modeling the slope of the continuum radiation from ratios of the available brightness and inverted radial emissivity profiles over multiple energy ranges. Impurity density measurements are also possible using the line-emission from medium- to high-Z impurities to separate the background as well as transient levels of metal contributions. As a result, this technique should be explored also as a burning plasma diagnostic in-view of its simplicity and robustness.
- Authors:
-
[1];
[1];
[2];
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- The Johns Hopkins Univ., Baltimore, MD (United States)
- Publication Date:
- Research Org.:
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Sponsoring Org.:
- USDOE
- Contributing Org.:
- Massachusetts Institute of Technology, Cambridge, Massachusetts; The Johns Hopkins University, Baltimore, Maryland
- OSTI Identifier:
- 1340073
- Grant/Contract Number:
- AC02-09CH11466; FC02-99ER54512; OFES 2015 Early Career Award No. AT-10-20-10-1 at PPPL
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Volume: 87; Journal Issue: 11; Conference: 21st Topical Conference on High-Temperature Plasma Diagnostics, Madison, WI (United States), 5-9 Jun 2016; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; pulse-height analyzer; electron-temperature; ht-7 tokamak
Citation Formats
Delgado-Aparicio, L. F., Maddox, J., Pablant, N., Hill, K., Bitter, M., Rice, J. E., Granetz, R., Hubbard, A., Irby, J., Greenwald, M., Marmar, E., Tritz, K., Stutman, D., Stratton, B., and Efthimion, P. Multi-energy SXR cameras for magnetically confined fusion plasmas (invited). United States: N. p., 2016.
Web. doi:10.1063/1.4964807.
Delgado-Aparicio, L. F., Maddox, J., Pablant, N., Hill, K., Bitter, M., Rice, J. E., Granetz, R., Hubbard, A., Irby, J., Greenwald, M., Marmar, E., Tritz, K., Stutman, D., Stratton, B., & Efthimion, P. Multi-energy SXR cameras for magnetically confined fusion plasmas (invited). United States. https://doi.org/10.1063/1.4964807
Delgado-Aparicio, L. F., Maddox, J., Pablant, N., Hill, K., Bitter, M., Rice, J. E., Granetz, R., Hubbard, A., Irby, J., Greenwald, M., Marmar, E., Tritz, K., Stutman, D., Stratton, B., and Efthimion, P. Mon .
"Multi-energy SXR cameras for magnetically confined fusion plasmas (invited)". United States. https://doi.org/10.1063/1.4964807. https://www.osti.gov/servlets/purl/1340073.
@article{osti_1340073,
title = {Multi-energy SXR cameras for magnetically confined fusion plasmas (invited)},
author = {Delgado-Aparicio, L. F. and Maddox, J. and Pablant, N. and Hill, K. and Bitter, M. and Rice, J. E. and Granetz, R. and Hubbard, A. and Irby, J. and Greenwald, M. and Marmar, E. and Tritz, K. and Stutman, D. and Stratton, B. and Efthimion, P.},
abstractNote = {A compact multi-energy soft x-ray camera has been developed for time, energy and space-resolved measurements of the soft-x-ray emissivity in magnetically confined fusion plasmas. Multi-energy soft x-ray imaging provides a unique opportunity for measuring, simultaneously, a variety of important plasma properties (Te, nZ, ΔZeff, and ne,fast). The electron temperature can be obtained by modeling the slope of the continuum radiation from ratios of the available brightness and inverted radial emissivity profiles over multiple energy ranges. Impurity density measurements are also possible using the line-emission from medium- to high-Z impurities to separate the background as well as transient levels of metal contributions. As a result, this technique should be explored also as a burning plasma diagnostic in-view of its simplicity and robustness.},
doi = {10.1063/1.4964807},
journal = {Review of Scientific Instruments},
number = 11,
volume = 87,
place = {United States},
year = {Mon Nov 14 00:00:00 EST 2016},
month = {Mon Nov 14 00:00:00 EST 2016}
}
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Works referenced in this record:
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Electron temperature profile reconstructions from multi-energy SXR measurements using neural networks
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Works referencing / citing this record:
Pixel-to-pixel variation on a calibrated PILATUS3-based multi-energy soft x-ray detector
journal, October 2018
- VanMeter, P.; Delgado-Aparicio, L. F.; Reusch, L.
- Review of Scientific Instruments, Vol. 89, Issue 10
A computational tool for simulation and design of tangential multi-energy soft x-ray pin-hole cameras for tokamak plasmas
journal, October 2018
- Yamazaki, H.; Delgado-Aparicio, L. F.; Groebner, R.
- Review of Scientific Instruments, Vol. 89, Issue 10
Simulation, design, and first test of a multi-energy soft x-ray (SXR) pinhole camera in the Madison Symmetric Torus (MST)
journal, October 2018
- Delgado-Aparicio, L. F.; Wallace, J.; Yamazaki, H.
- Review of Scientific Instruments, Vol. 89, Issue 10