By Balamati Choudhury, Arya Menon, Rakesh Mohan Jha
This e-book describes a metamaterial-based lively absorber for capability biomedical engineering functions. Terahertz (THz) spectroscopy is a crucial instrument for imaging within the box of biomedical engineering, end result of the non-invasive, non-ionizing nature of terahertz radiation coupled with its propagation features in water, which permits the operator to procure high-contrast pictures of pores and skin cancers, burns, and so forth. with no harmful results. so as to faucet this large capability, you will need to construct hugely effective biomedical imaging platforms through introducing terahertz absorbers into biomedical detectors. the largest problem confronted within the fulfilment of this aim is the inability of obviously happening dielectrics, that's conquer with using artificially engineered resonant fabrics, viz. metamaterials. This booklet describes one of these metamaterial-based lively absorber. The layout has been optimized utilizing particle swarm optimization (PSO), finally leading to an ultra-thin energetic terahertz absorber. The absorber indicates close to team spirit absorption for a tuning diversity of terahertz (THz) application.
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Extra resources for Active Terahertz Metamaterial for Biomedical Applications
C. Wu, H. Li, and J. Zhai. 2014. A tunable metamaterial dependent on electric ﬁeld at terahertz with barium strontium titanate thin ﬁlm. Applied Physics Letters 104: 042906-1– 042906-4. Butler, L. A. 2012. Design, simulation, fabrication, and characteristics of terahertz metamaterial. , University of Alabama. Caloz, C. 2006. Electromagnetic metamaterials: transmission line theory and microwave applications. Hoboken: Wiley. ISBN-10: 0-471-66985-7, 350pp. , R. R. Williams. 2001. On the application of the microgenetic algorithm to the design of broad-band microwave absorbers comprising frequency-selective surfaces embedded in multilayered dielectric media.
Broadband optimization for a terahertz metamaterial absorber. Microwave Workshop Series on Millimeter Wave Wireless Technology and Applications (IMWS), pp. 1–3, Sept. 2012. , J. P. Loughran, M. Gradziel, W. Lanigan, T. Ward, J. A. Murphy, C. O’Sullivan. 2004. Medical applications of Terahertz Imaging: a Review of Current Technology and Potential Applications in Biomedical Engineering. Proceedings of the IEEE International Conference on Engineering in Medicine and Biology Society, pp. 1302–1305.
Butler, L. A. 2012. Design, simulation, fabrication, and characteristics of terahertz metamaterial. , University of Alabama. Caloz, C. 2006. Electromagnetic metamaterials: transmission line theory and microwave applications. Hoboken: Wiley. ISBN-10: 0-471-66985-7, 350pp. , R. R. Williams. 2001. On the application of the microgenetic algorithm to the design of broad-band microwave absorbers comprising frequency-selective surfaces embedded in multilayered dielectric media. IEEE Transactions on Microwave Theory and Techniques 49: 1050–1059.