Submillimetric filtering functions using micromachining technics

by Raghida HAJJ (Faculty of Sciences and Technology, Limoges, France)

Tuesday 23 Nov 2010, 10:15 → 11:15 Europe/Rome

LNL Meeting Room (INFN LNL)

The objective of this work is benefit from technology to suspend the microwave circuits on thin dielectric membranes, thus ensuring a spread of fields in the air. This technology is based on micromachining of silicon volume wet. The ultimate goal is to design spread carriers to envisage operating frequencies in the Terahertz range. The challenge is based on the excitation of these devices because the appearance of higher modes can interfere with some devices. The aim of this work is to explore novel techniques excitation using numerical analysis methods. Particular attention is given to the possibility to easily integrate the structures produced in a radiometer or a communication satellite. Today very few technologies are likely to respond to this rise in frequency. Micromachined structures meet this objective. The micromachining was used in the conception of planar, periodic electromagnetic bandgap and tunable circuits. Several resonators and bandpass filters have been built or are under construction at 150 GHz.