Open Access

Tab. 2

Intensity on axis I0, spin angular momentum (SAM) and orbital angular momentum (OAM) of rotating gyrotron TE modes in circular waveguides.

Mode Family I0 (Intensity on Waveguide Axis) SAM (Circular Polarization) OAM
TE0,n no (Annual Intensity Pattern) no (s = 0) no (l = 0)
TE1,1 yes yes (s = 1) only RHCP no (l = 0)
TE1,n (n >1) yes yes (s = ± 1) no (l = 0)
TEm,1 (m >1) WGM no (Annual Intensity Pattern) yes (s = 1) only RHCP yes (l = m – 1)
TEm,n (m,n >1) no (Annual Intensity Pattern) yes (s = ± 1) yes (± l = ± m ∓ 1)

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