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Room-temperature terahertz microbolometer arrays for biomedical imaging applications
15th World Medical Nanotechnology Congress
October 18-19, 2017 Osaka, Japan

Amit Banerjee

Shizuoka University, Japan

Keynote: J Nanomed Nanotechnol


Terahertz waves lie in the region from 300 GHz to 3 THz (wavelength: 100 µm to 1 mm). Electromagnetic wave with frequency range ~1 THz, because of its transparency to many non-polarized materials and finger-print spectral bands of organic and biomacromolecules is important for non-contact and non-destructive sensing in various applications. Diverse technologies are using these frequency bands for ultrahigh-speed wireless communications, imaging and materials analysis. There are several exciting applications of THz spectroscopy and imaging e.g., non-contact and remote inspection of concealed weapons, explosives for homeland security, examination of defects and foreign objects in edibles. Another exciting aspect is the development of THz imaging devices, techniques and instruments for biomedical applications for disease diagnostics at a level of cellular processes and tissues, including cancer signature study, diagnosis of tumors by thermography and imaging. Other various biomedical applications of THz range from studying biomolecules, including analysis of DNA/RNA, amino acids/ peptides, proteins and carbohydrates, etc. However, the present ability of THz technology is still inadequate for actual use in large scale. The overall performance in terms of sensitivity and speed of measurements is unsatisfactory and the manufacturing cost of even the basic devices is not commercially viable. Further research and development of the sources, detectors, optical elements and measuring techniques as well as sensing systems are crucial for extending the utilization of THz waves. Among lot of issues, the current study details THz detectors and detection systems with promising results in terms of performance such as sensitivity and response speed, convenience in handling and prospective low-cost development. Microbolometer is a radiation detector for infrared (IR) and terahertz (THz) waves. The current report is on the detailed investigation of the materials properties, design requirement and device performance aspects, for the fabrication of uncooled antenna-coupled terahertz microbolometer arrays to be used for biomedical imaging applications.

Biography :

Amit Banerjee has received his PhD degree in Semiconductor Technology from Energy Research Unit, Indian Association for the Cultivation of Science. Currently he is working in the Advanced Device Research Division, Research Institute of Electronics, Shizuoka University, National University Corporation, Japan as a Scientific Researcher. His current research interest is on Terahertz technology, including THz devices (sensors and sources) fabrication, materials engineering and optimization for surveillance, inspection, biomedical, imaging and deep space exploration applications. He has co-authored several scientific papers, presented in several international conferences among lead speakers, received several awards including Young Physicist Award, Award by the Metrology Society of India (MSI), Indian Institute of Chemical Engineers (IIChE), Award by Department of Atomic Energy. He is a Member JSAP, IPS, along with other many international advisory committees, technical program committees, acted as Panel Editor, Reviewer for reputed journals.