Affiliation:
1. Chongqing University of Technology
2. National Cultural Heritage Administration
3. Chongqing University of Education
Abstract
To nondestructively detect the mold growth process on silk, a coaxial concave reflection conical fiber optic sensor was developed using conical quartz fibers, fiber connectors, fiber couplers, and a plastic fixator. We established a theoretical model of this sensor and studied the influence of its structural parameters on its sensitivity, characterized the morphology of Aspergillus niger, and detected its growth process on a silk surface. A linear relationship between the sensor’s output signal and the mold height was found. The sensor sensitivity, maximum detection error, and low limit of detection were 2.4 E-5 AU/µm, 7.83%, and 10 µm, respectively.
Funder
Technology Innovation and Application Development Special of Chongqing Science and Technology Bureau
Technology Innovation and Application Development Special of lnnovation Research Group of Universities in Chongqing
National Natural Science Foundation of China
National Key Research and Development Program of China
Chongqing University of Technology Graduate Innovation Project
Subject
Atomic and Molecular Physics, and Optics,Engineering (miscellaneous),Electrical and Electronic Engineering