Phase-detection-sensitivity enhancement of grating-coupled surface plasmon resonance sensor with light incident at nonzero azimuth angle

Wen Kai Kuo, Chih Hao Chang, Chien Jang Wu, Hsin Her Yu

研究成果: 雜誌貢獻期刊論文同行評審

7 引文 斯高帕斯(Scopus)

摘要

We have numerically and experimentally demonstrated the enhancement of phase detection sensitivity of a grating-coupled surface plasmon resonance (GCSPR) sensor by using incident light at a nonzero azimuth angle. Phase detection measurements were performed using an electro-optic heterodyne interferometer. When the GCSPR sensor was rotated azimuthally by 0 deg and 58 deg, the phase detection sensitivities were approximately 3.2 × 10 -7 RIU and 5.5 × 10-8 RIU, respectively. The azimuth angle of 58deg was found to enhance the sensor sensitivity by a factor of 5.87 relative to the azimuth angle of 0 deg.

原文英語
文章編號063524
期刊Journal of Nanophotonics
6
發行號1
DOIs
出版狀態已發佈 - 2012

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學

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