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This paper describes a low profile inductive surface for High Frequency Surface Wave Radars (HFSWR). The long-term operating frequency band considered is High Frequency (HF). In this paper we will only discuss L-band in order to simplify the manufacturing phase and the proof of concept. A compact thin 2D Super Inductive Surface (SIS) based on printed metal rings excited by an L-band monopole (1.1 GHz) is proposed to significantly increase (10 dB at the extremity of the SIS and 7 dB at one wavelength further) an electric field in TM polarization (electric field normal at the air/sea interface) required to excite a surface wave. The proposed SIS thickness 10.26 mm, is approximatly three times thinner than a recent 3D SIS developed both in L-band and HF-band which makes it possible to consider surface wave launchers of much lower height in the HF-band in the future. A 2D L-band prototype with a bandwidth of 130 MHz was manufactured and ElectroMagnetic Infrared measuRements (EMIR) confirmed simulated SIS performances.
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