volume | PIER Journals

Abstract

Cancer treatment is one of the several new applications which use subnanosecond pulse and picosecond high voltage pulse. In particular, picosecond pulses can introduce important non-thermal changes in cell biology, especially the permeabilization of the cell membrane. The Prolate Spheroidal Impulse Radiating Antenna (PSIRA) is used to radiate very fast pulses in a narrow beam width with low dispersion and high field amplitude. The beamwidth of the radiated pulse is further reduced by using near field focusing lens. In this proposed work, the compact partition lens system is designed for miniaturized PSIRA to focus the radiated impulse to the target (skin) location. The near field focusing lens is used to enhance the resolution on the target location. The PSR with Modified Bicone Antenna (MBA) with lens configuration provides greatly reduced spot size. The spot size on the target(skin) is measured as 3mm along the lateral direction and 6 mm along axial direction.

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Dr. Arokiasamy Petrishia