Silicon carbide novel optical sensor for combustion systems and nuclear reactors

Geunsik Lim; Aravinda Kar

doi:10.1117/12.2058533

5 September 2014 Silicon carbide novel optical sensor for combustion systems and nuclear reactors

Geunsik Lim, Aravinda Kar

Proceedings Volume 9189, Photonic Innovations and Solutions for Complex Environments and Systems (PISCES) II; 918909 (2014) https://doi.org/10.1117/12.2058533
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

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.

Citation Download Citation

Geunsik Lim and 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); https://doi.org/10.1117/12.2058533

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