Optical Fiber Surface Plasmon Resonance for Glucose Detection

• Type: Article in International Scientific Journal
• Date: 2023

Authors

Cunha, C (Author) Other; Silva, S (Author) Other; Coelho, LCC (Author) FCUP; Frazao, O (Author) FCUP; Novais, S (Author) Other

Journal

Title: EPJ Web of Conferences

Vol. 305

ISSN: 2101-6275

Publisher: EDP Sciences

Other information

Authenticus ID: P-00Z-6XC

DOI: 10.1051/epjconf/202328709037

Abstract (EN): <jats:p>This work proposes a sensor that utilizes a transmission scheme for measuring glucose aqueous solutions based on surface plasmon resonance. A comparison between the performance of two sensors with similar lengths and different diameters is performed. The first sensor comprises a multimode optical fiber with a diameter of 400 µ<jats:italic>m</jats:italic> and a 10 <jats:italic>mm</jats:italic> middle section of the cladding removed. The second sensor is similar, except that the fiber has a diameter of 600 µ<jats:italic>m</jats:italic>. The sensors were evaluated for their performance in measuring glucose concentrations ranging from 0.0001 to 0.5000 <jats:italic>g/mL</jats:italic>. The 400 µ<jats:italic>m</jats:italic> sensor demonstrated high sensitivity however, the sensor with a diameter of 600 µm attained a slightly higher maximum sensitivity of 322.0 <jats:italic>nm/(g/mL)</jats:italic>.</jats:p>

Language: English

Type (Professor's evaluation): Scientific