The radiation characteristics of a leaky-wave antenna (LWA) consisting of a dielectric slab guide loaded with periodic metal strips on magnetized solid-state plasma were analytically studied by theoretical analysis and the finite-difference time-domain (FDTD) method in the millimeter-wavelength range. The magnetic field and geometry dependences of the propagation characteristics of the LWA transmission line were demonstrated using the results of the theoretical analysis to obtain the design concept. The results of the FDTD analysis indicated that the radiation of our LWA can be scanned over an angle of about 50° with an externally applied transverse magnetic field.
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