Novel Approaches and Applications for Fiber Bragg Grating (FBG) Sensors
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".
Deadline for manuscript submissions: 30 June 2026 | Viewed by 39
Special Issue Editor
Interests: femtosecond laser microfabrication; novel optical fiber sensing technologies; optical fiber sensing applications in extreme environments; optical fiber lasers; innovative light-field manipulation techniques
Special Issue Information
Dear Colleagues,
Fiber Bragg grating (FBG) sensing technology has undergone continuous innovation and rapid development, particularly in the areas of high-sensitivity, multi-parameter decoupling, and specialized applications. By incorporating functionalized nanomaterials, ultra-high-sensitivity detection of trace biomolecules and gases has been achieved. Furthermore, through integration with shape memory polymers and smart hydrogels, precise in situ measurement of chemical parameters such as pH value and specific ion concentration has been realized. Leveraging the Vernier effect has significantly enhanced sensitivity while enabling effective temperature compensation. The application of direct laser writing technology has markedly improved the processing accuracy and high-temperature stability of FBGs, making them suitable for extreme environments. Consequently, FBG sensing technology has made remarkable strides across various fields including biomedical monitoring, aerospace structural health diagnostics, and battery safety status assessment. In terms of signal processing advancements driven by deep learning technologies, real-time and highly accurate demodulation of complex FBG reflection spectra has been accomplished. Additionally, 3D printing and two-photon polymerization techniques have been integrated into the sensor packaging process; this provides new technical pathways for customizing complex structures and facilitating system integration. The collective advancements in these innovations drive FBG sensing technology towards more intelligent applications.
This Special Issue will focus on presenting the latest advancements and breakthroughs in the sensing principles, fabrication techniques, and application domains of novel FBG sensors.
Dr. Yajun Jiang
Guest Editor
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Keywords
- femtosecond direct laser writing technology
- phase mask technology
- functionalized nanomaterials
- biomedical applications
- extreme environments
- sapphire FBG sensors
- 3D printing technology
- two-photon polymerization
- vernier effect
- deep learning
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