Optical refractive index sensors with plasmonic and photonic structures: promising and inconvenient truth

Y Xu, P Bai, X Zhou, Y Akimov, CE Png… - Advanced Optical …, 2019 - Wiley Online Library
Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

Review of femtosecond-laser-inscribed fiber Bragg gratings: fabrication technologies and sensing applications

J He, B Xu, X Xu, C Liao, Y Wang - Photonic Sensors, 2021 - Springer
Fiber Bragg grating (FBG) is the most widely used optical fiber sensor due to its compact
size, high sensitivity, and easiness for multiplexing. Conventional FBGs fabricated by using …

Review and analysis of peak tracking techniques for fiber Bragg grating sensors

D Tosi - Sensors, 2017 - mdpi.com
Fiber Bragg Grating (FBG) sensors are among the most popular elements for fiber optic
sensor networks used for the direct measurement of temperature and strain. Modern FBG …

Review of chirped fiber Bragg grating (CFBG) fiber-optic sensors and their applications

D Tosi - Sensors, 2018 - mdpi.com
Fiber Bragg Gratings (FBGs) are one of the most popular technology within fiber-optic
sensors, and they allow the measurement of mechanical, thermal, and physical parameters …

Review of femtosecond laser direct writing fiber-optic structures based on refractive index modification and their applications

J Zhao, Y Zhao, Y Peng, R Lv, Q Zhao - Optics & Laser Technology, 2022 - Elsevier
Femtosecond (fs) laser pulses direct writing technology has been extensively employed to
achieve microfabrication in various optical fibers for a broad range of applications. In this …

Point-by-point fabrication and characterization of sapphire fiber Bragg gratings

S Yang, D Hu, A Wang - Optics letters, 2017 - opg.optica.org
The Letter reports the inscription of fiber Bragg gratings (FBGs) in a single-crystal sapphire
optical fiber via a point-by-point method by 780 nm infrared-femtosecond laser pulses …

[HTML][HTML] Single femtosecond laser beam induced nanogratings in transparent media-Mechanisms and applications

B Zhang, X Liu, J Qiu - Journal of Materiomics, 2019 - Elsevier
Single femtosecond laser beam induced nanograting structure in transparent media has
attracted extensive attention in many fields of science and technology in the past decades …

Sapphire fiber Bragg gratings inscribed with a femtosecond laser line-by-line scanning technique

X Xu, J He, C Liao, K Yang, K Guo, C Li, Y Zhang… - Optics letters, 2018 - opg.optica.org
We propose and demonstrate the fabrication of single-crystal sapphire fiber Bragg gratings
(SFBGs) using a femtosecond laser line-by-line scanning technique. This approach provides …

Polarization effects in polymer FBGs: Study and use for transverse force sensing

X Hu, D Saez-Rodriguez, C Marques, O Bang… - Optics …, 2015 - opg.optica.org
Bragg gratings photo-inscribed in polymer optical fibers (POFs) are more sensitive to
temperature and pressure than their silica counterparts, because of their larger thermo-optic …

Femtosecond direct-writing of low-loss fiber Bragg gratings using a continuous core-scanning technique

RJ Williams, RG Krämer, S Nolte, MJ Withford - Optics letters, 2013 - opg.optica.org
We report the inscription of low-loss fiber Bragg gratings using focused femtosecond (fs)
pulses and a continuous core-scanning technique. This direct-write technique produces …