National Chung Cheng University

Chien-Hsing Chen

Lai-Kwan Chau

Chang-Yue Chiang

Chin-Wei Wu

Yu-Chung Huang

La-Kwan Chau

Wei-Te Wu

Tzu-Chien Tsao

Wan-Yun Li

Chih-To Wang

A self-referencing localized plasmon resonance sensing device and a system thereof are disclosed. The reference optical waveguide element is modified with a noble metal nanoparticle layer. The sensing optical waveguide element is modified with a noble metal nanoparticle layer, which is further modified with a recognition unit. The incident light is guided into the reference and the sensing optical waveguide elements to respectively generate localized plasmon resonance sensor signals. The reference and the sensing optical waveguide elements respectively have a calibration slope. The processor utilizes the calibration slopes to regulate the second difference generated by detecting with the sensing optical waveguide element. The processor utilizes a difference between the first difference, which is generated by detecting with the reference optical waveguide element, and the regulated second difference to obtain a sensor response.

Self-referencing localized plasmon resonance sensing device and system thereof

A reflection-based tubular waveguide particle plasmon resonance sensing system and a sensing device thereof are provided. The sensing device includes a hollow tubular waveguide element having wall, a reflection layer disposed on one end of the wall (distal end), and a noble metal nanoparticle layer distributed on the surface of the wall. An incident light enters the wall through another end of the tubular waveguide element (proximal end) and being total internal reflected many times along the wall, then is reflected by the reflection layer and being total internal reflected many times along the wall again, and finally, the incident light exits the proximal end. Wherein, when the sample contacts the noble metal nanoparticle layer of the tubular waveguide element, the particle plasmon resonance condition is altered and hence the signal intensity of the light exiting the tubular waveguide element changes.

Reflection-based tubular waveguide particle plasmon resonance sensing system and sensing device thereof

The present invention discloses a localized plasmon resonance sensing device and a fiber optic structure. The device comprises an optical fiber and a noble metal nanoparticle layer. The optical fiber has a plurality of notches, and such notches are located on the side surface of the optical fiber. The noble metal nanoparticle layer is located at the notch. As a result, when a light is launched into the optical fiber, a detecting unit can be used to detect a localized plasmon resonance signal which is generated by the interaction between the noble metal nanoparticle layer and the light.

Localized plasmon resonance sensing device and fiber optic structure

Growing community of inventors

Taipei, Taiwan

Chien-Hsing Chen