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Simultaneous Measurement of Temperature and Relative Humidity Using a Dual-Wavelength Erbium-Doped Fiber Ring Laser Sensor

Journal Article
Mądry, M., Alwis, L., Binetti, L., Pajewski, Ł., & Bereś-Pawlik, E. (2019)
Simultaneous Measurement of Temperature and Relative Humidity Using a Dual-Wavelength Erbium-Doped Fiber Ring Laser Sensor. IEEE Sensors Journal, 19(20), 9215-9220. https://doi.org/10.1109/JSEN.2019.2922041
A fiber ring laser sensor setup utilizing FBGs (Fiber Bragg Gratings) for simultaneous measurement of ambient temperature and relative humidity (RH) is presented. Two FBGs are...

Evaluating the Performance of Functionalized Carbon Structures with Integrated Optical Fiber Sensors under Practical Conditions

Journal Article
Bremer, K., Alwis S. M., L., Weigand, F., Kuhne, M., Zheng, Y., Krüger, M., …Roth, B. (2018)
Evaluating the Performance of Functionalized Carbon Structures with Integrated Optical Fiber Sensors under Practical Conditions. Sensors, 18(11), 3923. https://doi.org/10.3390/s18113923
An Optical Frequency Domain Reflectometry (OFDR) based fiber optic sensor scheme “embedded” in concrete for the purpose of structural health monitoring (SHM) of carbon concret...

Intensity-modulated PM-PCF Sagnac loop in a DWDM setup for strain measurement

Journal Article
Alwis, L., Madry, M., & Beres-Pawlik, E. (2019)
Intensity-modulated PM-PCF Sagnac loop in a DWDM setup for strain measurement. Applied Sciences, 9(11), https://doi.org/10.3390/app9112374
A novel intensity-modulated Sagnac loop sensor based on polarization-maintaining photonic crystal fiber (PM-PCF) in a setup with a dense wavelength division multiplexer (DWDM)...

Durability of functionalized carbon structures with optical fiber sensors in a highly alkaline concrete environment.

Journal Article
Bremer, K., Alwis, L., Zheng, Y., Weigand, F., Kuhne, M., Helbig, R., & Roth, B. (2019)
Durability of functionalized carbon structures with optical fiber sensors in a highly alkaline concrete environment. Applied Sciences, 9(12), https://doi.org/10.3390/app9122476
The paper presents an investigation into the durability of functionalized carbon structures (FCS) in a highly alkaline concrete environment. First, the suitability of optical ...