Micro-ring sensor used in the diagnosis of gastric cancer

Sichao Shi; Qing Cheng; Rong Lin; Da Su; Ying Huang

doi:10.1117/12.2264220

5 January 2017 Micro-ring sensor used in the diagnosis of gastric cancer

Sichao Shi, Qing Cheng, Rong Lin, Da Su, Ying Huang

Proceedings Volume 10244, International Conference on Optoelectronics and Microelectronics Technology and Application; 102441K (2017) https://doi.org/10.1117/12.2264220
Event: International Conference on Optoelectronics and Microelectronics Technology and Application, 2016, Shanghai, China

Abstract

To find a detecting method that can be applied to the clinical screening and diagnosis, the cascaded micro-ring sensor with Vernier effect was used to distinguish gastric cancerous and normal cells. The simulation by FDTD of the cascaded microring sensor with different refractive indexes of the analyte (normal cells and gastric cancer cells) will be presented. In the simulation, with the refractive index’s change Δn=0.02 for the two different analyte, the shift of sensor’s resonant wavelength is 6.71nm. And the cascaded micro-ring sensor’s sensitivity S is 335.5nm/RIU, and it is much larger compared to 19nm/RIU for a single ring sensor.

Citation Download Citation

Sichao Shi, Qing Cheng, Rong Lin, Da Su, and Ying Huang "Micro-ring sensor used in the diagnosis of gastric cancer", Proc. SPIE 10244, International Conference on Optoelectronics and Microelectronics Technology and Application, 102441K (5 January 2017); https://doi.org/10.1117/12.2264220

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