5 September 2014 Silicon carbide novel optical sensor for combustion systems and nuclear reactors
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Crystalline silicon carbide is a wide bandgap semiconductor material with excellent optical properties, chemical inertness, radiation hardness and high mechanical strength at high temperatures. It is an excellent material platform for sensor applications in harsh environments such as combustion systems and nuclear reactors. A laser doping technique is used to fabricate SiC sensors for different combustion gases such as CO2, CO, NO and NO2. The sensor operates based on the principle of semiconductor optics, producing optical signal in contrast to conventional electrical sensors that produces electrical signal. The sensor response is measured with a low power He-Ne or diode laser.
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Geunsik Lim, Geunsik Lim, Aravinda Kar, Aravinda Kar, "Silicon carbide novel optical sensor for combustion systems and nuclear reactors", Proc. SPIE 9189, Photonic Innovations and Solutions for Complex Environments and Systems (PISCES) II, 918909 (5 September 2014); doi: 10.1117/12.2058533; https://doi.org/10.1117/12.2058533

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