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

By Saroj Rout, Sameer Sonkusale

This e-book covers the theoretical historical past, experimental equipment and implementation info to engineer for verbal exchange and imaging program, terahertz units utilizing metamaterials, in mainstream semiconductor foundry approaches. This e-book will supply engineers and physicists an authoritative connection with build such units with minimum heritage. The authors describe the layout and development 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 homes (permittivity and permeability) which are unavailable in traditional materials.

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Highstrete, M. D. Averitt, Phys. Rev. Lett. 96(10), 107401 (2006) 21. T. J. O. R. C. J. D. Averitt, Optics Lett. 32(12), 1620 (2007) 22. T. J. O. C. J. D. Averitt, Nature 444(7119), 597 (2006) 23. T. F. K. J. D. B. J. Padilla, Nat. Photon 2(5), 295 (2008) Chapter 3 Experimental Methods This chapter covers modeling, simulations and test techniques to successfully design and implement metamaterials for terahertz frequencies. Modeling and simulation of metamaterials is briefly covered in Sect. 1 with emphasis on the choice of boundary conditions to leverage the symmetry of metamaterial structures and thus dramatically reduce simulation time and solid-state memory requirements.

0  D 1 C 1 Z 1 P 1 ImŒ .! 0 /= 0  0 d! 0 ! /= 0  D Z 29 1 P 1 ReŒ .! 0 ! 1 d! 12) where P means the principal value of the Cauchy’s integral. This relation is regarded as very fundamental to the dispersion nature of . / from absorption experiments. ; x/,etc. 13) For uniform isotropic linear media, D D E; B D H where and in general maybe complex functions of !. For real and positive and (no losses), D and B can be substituted in Eq. 15) where k is the wave number kD p ! 16) The phase velocity of the wave is vD 1 !

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