The surface plasmon resonance sensor with the metallic nanostructure for biosensing

Byeong-Hyeon Lee; Geum-Yoon Oh; Hong-Seung Kim; Tae-Kyeong Lee; Seon-Hoon Kim; Hyun-Chul Ki; Doo-Gun Kim; Young-Wan Choi

doi:10.1117/12.908245

22 February 2012 The surface plasmon resonance sensor with the metallic nanostructure for biosensing

Byeong-Hyeon Lee, Geum-Yoon Oh, Hong-Seung Kim, Tae-Kyeong Lee, Seon-Hoon Kim, Hyun-Chul Ki, Doo-Gun Kim, Young-Wan Choi

Author Affiliations +

Proceedings Volume 8269, Photonic and Phononic Properties of Engineered Nanostructures II; 82692C (2012) https://doi.org/10.1117/12.908245
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

In this paper, we have demonstrated a metallic nano-structured SPR sensor for an improvement of biosensing sensitivity using a metallic nano-structure. Permittivity of metal is calculated with Drude model for analysis. The sensitivity of SPR sensor with metallic nano-structure is 65 degree/RIU, and that of conventional SPR configuration is 54.8 degree/RIU. We have fabricated the random metallic nano-structures on the metallic thin film using the RIE etching process. Moreover, we have analyzed the structure using the finite-difference time-domain method for the exact characteristic.

Citation Download Citation

Byeong-Hyeon Lee, Geum-Yoon Oh, Hong-Seung Kim, Tae-Kyeong Lee, Seon-Hoon Kim, Hyun-Chul Ki, Doo-Gun Kim, and Young-Wan Choi "The surface plasmon resonance sensor with the metallic nanostructure for biosensing", Proc. SPIE 8269, Photonic and Phononic Properties of Engineered Nanostructures II, 82692C (22 February 2012); https://doi.org/10.1117/12.908245

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