AI Article Synopsis
- The study investigates how fiber Bragg gratings (FBGs) in CYTOP optical fibers respond to temperature, humidity, and strain using a specific experimental method.
- Two types of FBGs were tested: one with an over-clad layer and one without, with the results showing similar sensitivities to temperature and strain for both types.
- The key finding is a significant interaction between humidity and temperature sensitivity only in the FBG with an over-clad, indicating that the environmental effects can vary based on the fiber's construction.
Article Abstract
The characteristics of fiber Bragg grating (FBG) in cyclic transparent fluoropolymer (CYTOP) optical fiber have attracted more and more attention in recent years. However, different results of the FBG response to environmental parameters are reported. This work presents a three-variable two-level factorial experimental method to investigate the FBG response to temperature, humidity, and strain in CYTOP fiber. Two uniform FBGs are inscribed separately in CYTOP fiber with and without over-clad. With only eight measuring points, the interactions among three variable parameters are computed and the parameter sensitivities and cross-sensitivities are estimated. Similar temperature and strain sensitivities were found for both gratings, whereas significant cross-sensitivity between humidity and temperature was present only in FBG inscribed in CYTOP fiber with over-clad.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8915123 | PMC |
| http://dx.doi.org/10.3390/s22051934 | DOI Listing |
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