A Pockels cell enabled heterodyne phase contrast imaging diagnostic for detection of ion cyclotron emission
Name
5.0101715.pdf
Description
Published version
Size
4.25 MB
Format
Adobe PDF
Checksum (MD5)
5d23740697163b3cedd58395a9203bbf
Author(s)
Marinoni, A
Moeller, CP
Rost, JC
Porkolab, M
Edlund, EM
Date Issued
August 1, 2022
Journal
Review of Scientific Instruments
Publisher
AIP Publishing
Citation
Marinoni, A, Moeller, CP, Rost, JC, Porkolab, M and Edlund, EM. 2022. "A Pockels cell enabled heterodyne phase contrast imaging diagnostic for detection of ion cyclotron emission." Review of Scientific Instruments, 93 (8).
Version
Final published version
Abstract
This work describes a novel optical heterodyne detection scheme that significantly extends the frequency response of the phase contrast imaging method to detect electron density fluctuations in tens of megahertz frequency range. The system employs a variable frequency electro-optic modulator to allow operation at any frequency in the range 10–40 MHz without the need to realign the system. The frequency coverage of the system makes it suitable to measure the radial structure of the electron density component of ion cyclotron emission on devices having confining magnetic field of a few tesla, thus extending the purely temporal measurements provided so far by magnetic probes.
MIT Department
Massachusetts Institute of Technology. Plasma Science and Fusion Center
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1063/5.0101715
