Active Metamaterials: Terahertz Modulators and Detectors by Saroj Rout, Sameer Sonkusale

By Saroj Rout, Sameer Sonkusale

This booklet covers the theoretical history, experimental tools and implementation information to engineer for conversation and imaging program, terahertz units utilizing metamaterials, in mainstream semiconductor foundry procedures. This publication will offer engineers and physicists an authoritative connection with build such units with minimum heritage. The authors describe the layout and building of electromagnetic (EM) units for terahertz frequencies (108-1010 cycles/sec) utilizing synthetic fabrics which are a fragment of the wavelength of the incident EM wave, leading to an effective electric and magnetic houses (permittivity and permeability) which are unavailable in common materials.

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0 r C i r00 /. 22) where r0 D cos . =2/, r00 D sin . =2/, 0r D cos =2 and 00r D sin =2 . If the real part of each of the complex quantity in Eq. 22) goes to zero, the positive imaginary values result in a real n < 0. 23) A detailed derivation of it can be found in [11, 12]. t/, Eqs. 2) k ED! H k HD ! 2 Dispersion in Nonconductors 31 It can be seen from these equations that for materials with > 0 and > 0 they form a right-handed triplet vectors and so the term Right-Handed Materials (RHM), and for materials with < 0 and < 0 they form a left-handed triplet vectors and so the term Left-Handed Materials (LHM).

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