Review of femtosecond-laser-inscribed fiber Bragg gratings: fabrication technologies and sensing applications
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 …
size, high sensitivity, and easiness for multiplexing. Conventional FBGs fabricated by using …
[PDF][PDF] Specialty optical fibers for advanced sensing applications
Optical fiber technology has changed the world by enabling extraordinary growth in world-
wide communications and sensing. The rapid development and wide deployment of optical …
wide communications and sensing. The rapid development and wide deployment of optical …
Femtosecond laser direct writing of functional stimulus-responsive structures and applications
Diverse natural organisms possess stimulus-responsive structures to adapt to the
surrounding environment. Inspired by nature, researchers have developed various smart …
surrounding environment. Inspired by nature, researchers have developed various smart …
[PDF][PDF] Advances in femtosecond laser direct writing of fiber Bragg gratings in multicore fibers: technology, sensor and laser applications
In this article, we review recent advances in the technology of writing fiber Bragg gratings
(FBGs) in selected cores of multicore fibers (MCFs) by using femtosecond laser pulses. The …
(FBGs) in selected cores of multicore fibers (MCFs) by using femtosecond laser pulses. The …
3D manufacturing of glass microstructures using femtosecond laser
The rapid expansion of femtosecond (fs) laser technology brought previously unavailable
capabilities to laser material processing. One of the areas which benefited the most due to …
capabilities to laser material processing. One of the areas which benefited the most due to …
Advances in multicore fiber grating sensors
In recent years, multicore fiber (MCF) has attracted increasing interest for sensing
applications, due to its unique fiber structure of multiple parallel cores in a single fiber …
applications, due to its unique fiber structure of multiple parallel cores in a single fiber …
Durable shape sensor based on FBG array inscribed in polyimide-coated multicore optical fiber
The paper presents a novel three-dimensional quasi-continuous shape sensor based on an
FBG array inscribed by femtosecond laser pulses into a 7-core optical fiber with a polyimide …
FBG array inscribed by femtosecond laser pulses into a 7-core optical fiber with a polyimide …
Femtosecond laser auto-positioning direct writing of a multicore fiber Bragg grating array for shape sensing
A multicore fiber Bragg grating (MC-FBG) array shape sensor is a powerful tool for a variety
of applications. However, the efficient fabrication of high-quality MC-FBG arrays remains a …
of applications. However, the efficient fabrication of high-quality MC-FBG arrays remains a …
High-spatial-resolution φ-OFDR shape sensor based on multicore optical fiber with femtosecond-laser-induced permanent scatter arrays
C Fu, Y Meng, L Chen, H Zhong, C Du, J He, X Weng… - Optics Letters, 2023 - opg.optica.org
An optical fiber φ-OFDR shape sensor with a submillimeter spatial resolution of 200? µm
was demonstrated by using femtosecond-laser-induced permanent scatter array (PS array) …
was demonstrated by using femtosecond-laser-induced permanent scatter array (PS array) …
Curvature, twist and pose measurements using fiber Bragg gratings in multi-core fiber: A comparative study between helical and straight core fibers
This paper presents a technique to acquire measurements of curvature, twist and pose for
two multi-core fibers; one with straight cores and the other with helical cores. Both the fibers …
two multi-core fibers; one with straight cores and the other with helical cores. Both the fibers …