Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session NP11: Poster Session V: In-Person, Hall A (9:30-11:00am) and Virtual Poster Presentations (11:15am-12:30pm)
MFE: Stellerators
HED: High Energy Density
BEAMS: Short Pulse Laser Plasmas
HED: Short Pulse Laser Plasma
SPACE: Space Plasmas
9:30 AM - 12:30 PM
Wednesday, October 19, 2022
Room: Exhibit Hall A and Online
Abstract: NP11.00051 : Nonlocal Flat Optics for Z-Pinch Plasma Edge Detection*
Presenter:
Nicholas A Behrens
(Cornell University)
Author:
Nicholas A Behrens
(Cornell University)
This work presents multilayer thin-film optics, which strongly transmit plasma edges and remove background features. Gradient-based optimization of each layer’s thickness and permittivity targets a second or third spatial derivative, replicating and applying the work of Xue, W., & Miller, O. D., as well as Silva, A., et al. to plasma diagnostics [1, 2]. This speed-of-light processing is simulated on Z-pinch plasmas, using interferometry images from the Laboratory of Plasma Studies’ (LPS) Cornell Beam Research Accelerator (COBRA) pulsed-power machine and 532 nm laser. By passively highlighting fringes at any time instant, the nonlocal optic can make post-processing computations faster or more effective.
[1] Xue, W., & Miller, O. D. (2021). Journal of Optics, 23(12), 125004.
[2] Silva, A., et al. (2014). Science, 343(6167), 160-163.
*Research supported by the NNSA Stewardship Sciences Academic Programs under DOE Cooperative Agreement No. DE-NA0003764
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