Abstract
This letter describes the development and characterization of a novel optical fiber relative humidity (RH) sensor leveraging Localized Surface Plasmon Resonance (LSPR). The sensor utilizes an in-house synthesized GO-ZnO nanocomposite (NC)-doped silica film coated on gold nanoparticle coated U-bend plastic-clad silica (PCS) fiber. It shows a linear response across a broad RH range of 15-90%, with a sensitivity of 0.1359 nm/%RH, and features rapid response and recovery times of 5s and 7s. The sensor's response is fully reversible and repeatable.
| Original language | English |
|---|---|
| Pages (from-to) | 145-148 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 37 |
| Issue number | 3 |
| DOIs | |
| State | Published - 2025 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 1989-2012 IEEE.
Keywords
- and response time
- localized surface plasmon resonance (LSPR)
- nanocomposite (NC)
- optical fiber sensor
- Relative humidity (RH)
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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