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 JP11: Poster Session IV: In-Person, Hall A (2:00-3:30pm) and Virtual Poster Presentations (3:45-5:00pm)
BEAMS: Laser Accelerators
Education, Public Engagement, and DEI
High School and Undergraduate Research
2:00 PM - 5:00 PM
Tuesday, October 18, 2022
Room: Exhibit Hall A and Online
Abstract: JP11.00105 : Measuring Terahertz Radiation in Laboratory Simulations of Astrophysical Plasma Jets with Field-Effect Transistors*
Presenter:
Joshua Pawlak
(Caltech)
Authors:
Joshua Pawlak
(Caltech)
Paul M Bellan
(Caltech)
Field-effect transistors (FETs) have been shown [1] to develop an internal plasma wave resonance when illuminated by terahertz electromagnetic radiation. Nonlinearity associated with this resonance produces a small tunable DC response which can be used to produce a relatively simple detector of terahertz radiation. We are constructing such a device from a commercially available FET and will attempt measurement of plasma radiation in this frequency regime from the jet experiment.
[1] M. Dyakonov and M. Shur, IEEE Trans. Electron Devices, 43, 380 (1996)
*Supported by NSF Award NO. 2105492
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