Optimization of modal sensitivity in nanowire SPR multimode sensor

D. F. Santos; A. Guerreiro; J. M. Baptista

doi:10.1117/12.2264435

23 April 2017 Optimization of modal sensitivity in nanowire SPR multimode sensor

D. F. Santos, A. Guerreiro, J. M. Baptista

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 1032330 (2017) https://doi.org/10.1117/12.2264435
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

This paper presents a multimode fiber sensor that uses surface plasmon resonance on a metallic wire to measure refractive index. Numerical simulations based on the finite element method reveal the sensor supports several plasmon modes in the wire capable of coupling with the multiples optical fiber modes. Therefore, the sensor configuration creates multiple resonances at different wavelengths, with different values of the loss, sensitivity, among other parameters. Choosing the appropriate mode and filtering out the rest of the modes allows to optimize the sensor performance. In the present work a sensitivity of 5340nm/RIU and resolution of 1.87×10^-6RIU were found.

Citation Download Citation

D. F. Santos, A. Guerreiro, and J. M. Baptista "Optimization of modal sensitivity in nanowire SPR multimode sensor", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032330 (23 April 2017); https://doi.org/10.1117/12.2264435

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available