1. “Concrete Crack Monitoring Using a Novel Strain Transfer Model for Distributed Fiber Optics Sensors”
by Antoine Bassil et al.
Sensors 2020, 20(8), 2220; https://doi.org/10.3390/s20082220
Available online: https://www.mdpi.com/1424-8220/20/8/2220

2. ‘’Antiresonant Hollow-Core Fiber-Based Dual Gas Sensor for Detection of Methane and Carbon Dioxide in the Near- and Mid-Infrared Regions”
by Piotr Jaworski et al.
Sensors 2020, 20(14), 3813; https://doi.org/10.3390/s20143813
Available online: https://www.mdpi.com/1424-8220/20/14/3813

3. “SPR Biosensor Based on Polymer Multi-Mode Optical Waveguide and Nanoparticle Signal Enhancement”
by Johanna-Gabriela Walter et al.
Sensors 2020, 20(10), 2889; https://doi.org/10.3390/s20102889
Available online: https://www.mdpi.com/1424-8220/20/10/2889

4. “Strain Transfer in Surface-Bonded Optical Fiber Sensors”
by Francesco Falcetelli et al.
Sensors 2020, 20(11), 3100; https://doi.org/10.3390/s20113100
Available online: https://www.mdpi.com/1424-8220/20/11/3100

5. “Subwavelength Grating Double Slot Waveguide Racetrack Ring Resonator for Refractive Index Sensing Application”
by Nikolay Lvovich Kazanskiy et al.
Sensors 2020, 20(12), 3416; https://doi.org/10.3390/s20123416
Available online: https://www.mdpi.com/1424-8220/20/12/3416

6. “Wavefront Aberration Sensor Based on a Multichannel Diffractive Optical Element”
by Svetlana N. Khonina et al.
Sensors 2020, 20(14), 3850; https://doi.org/10.3390/s20143850
Available online: https://www.mdpi.com/1424-8220/20/14/3850

7. “Lab-On-Fiber Technology: A Roadmap toward Multifunctional Plug and Play Platforms”
by Marco Piscoet al.
Sensors 2020, 20(17), 4705; https://doi.org/10.3390/s20174705
Available online: https://www.mdpi.com/1424-8220/20/17/4705

8. “InAsSb-Based Infrared Photodetectors: Thirty Years Later On”
by Antoni Rogalski et al.
Sensors 2020, 20(24), 7047; https://doi.org/10.3390/s20247047
Available online: https://www.mdpi.com/1424-8220/20/24/7047

9. “Evaluation of Two Low-Cost Optical Particle Counters for the Measurement of Ambient Aerosol Scattering Coefficient and Ångström Exponent”
by Krzysztof M. Markowicz et al.
Sensors 2020, 20(9), 2617; https://doi.org/10.3390/s20092617
Available online: https://www.mdpi.com/1424-8220/20/9/2617

10. “Silicone Rubber Based Highly Sensitive Fiber-Optic Fabry–Perot Interferometric Gas Pressure Sensor”
by Xin Cheng et al.
Sensors 2020, 20(17), 4927; https://doi.org/10.3390/s20174927
Available online: https://www.mdpi.com/1424-8220/20/17/4927