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Tutorials Micro-Optic and Fiber Optic Sensors Terahertz Sensing Noise Harvesting Chemical and Gas Sensing Industrial Tomography Silicon Piezoresistive Stress Sensors Miniaturised Space Payloads Integrated Gas Sensors Sensors as Communication Channels Nanophotonic Sensors Biopolymer Detection Integrated Radar Sensors Ultrasonics |
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The tutorial will start with an outline of the opportunities in the field of sensing, with specific reference to the markets available in mature economies (using the UK as a case study). This will be followed by an outline of traditional sensing techniques, such as electrochemical sensors, before moving onto the use of chemFET structures and how these may be used to form simple bioFETs. These chemical and gas sensitive FETs will be analysed in terms of modern technology developments, such as porous gates, nanotechnology and the use of wide bandgap materials for deployment in vivo and hostile environments. Case studies will include the development of optically enhanced gas sensing using MOS structures and the influence of the dielectric on the specific detection of gases in a mixture, which will be described by reference to the behaviour of bulk metal-oxide gas sensors. The next section of the talk will focus on the new and emerging markets for the use of gas sensors for closed loop pollution control and emerging challenges in the detection of gas in the nuclear industry. Case studies in this section will include the detection of NOx in diesel and aerospace exhaust systems, as well as the monitoring of high level nuclear waste. The talk will conclude with predictions as to the possibilities in extreme environments, such as the monitoring of gas species during a decent to the surface of Venus or in the atmosphere of Jupiter. Biography Dr Alton Horsfall is a senior lecturer in the School of Electrical, Electronic and Computer Engineering at Newcastle University, UK. He is the director of the Advanced Resilient Technology Centre on behalf of BAE Systems, where he is developing sensor systems for operation in hostile environments, such as those found in the nuclear industry. He teaches semiconductor sensors on the Universities 'Sensor Technology' specialist MSc programme and is an active member of the UK Sensor and Instrumentation Knowledge Transfer Network (SIKTN) which is a group initiated to maximize the dissemination of sensing technology between academia and industry. His area of research expertise is silicon carbide gas and radiation sensors and the interfacing of diamond Ultra Micro Electrode Arrays (UMEAs) for the detection of analytes in aqueous solutions, as well as other non-silicon based electronic systems. |
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