Page 11 - Schmitz_HTPD-2020_hg_ls_py_ls_2

GENRAY Ray Tracing Based on Density Profile Reconstruction is Crucial to Extract Scattering Geometry/Probed k-Spectrum
Based on FIR and Thomson Scattering 40 reconstruction of density profile; determines
28 GHz
X-Mode (DBS)
(r,z) of probed volume, kq, and axial beam mismatch MW beam
20
0
-20
y (cm)
Two-axis (z, f) mirror adjustment
X-mode launch
Launch angle y= 4o, 8o, 15o
Back-scattered DBS Return
11
trajectories
f
R0 Rs
Off-midplane -40 launch: mismatch corrected with -40 axial mirror tilt f
HTPD Conference 2020 Presenter: Lothar Schmitz
Out
-10 20 x (cm)
In 50