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GENRAY Ray Tracing Based on Density Profile Reconstruction is Crucial to Extract Scattering Geometry/Probed k-Spectrum
Based on FIR and Thomson Scattering reconstruction of density profile; determines
(r,z) of probed volume, kq, and axial beam mismatch
40
20
0
-20
-40
-40
28 GHz
X-Mode (DBS)
y (cm)
Focusing mirror
Two-axis (z, f) mirror adjustment
Off-midplane launch: mismatch corrected with axial mirror tilt f
HTPD Conference 2020 Presenter: Lothar Schmitz
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X-mode launch Launch angle y= 4o, 8o, 15o
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MW beam trajectories
f
R0 Rs
-10
x (cm)