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In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
(2012)
We report a compact in-line Mach-Zehnder interferometer combining a microtaper with a longperiod grating (LPG) in a section of all-solid photonic bandgap fiber. Theoretical and experimental investigations reveal that the ...
A Mach-Zehnder interferometer by combining a microtaper with a long period grating in an all solid photonic bandgap fiber and its temperature sensing characteristic
(2012)
We demonstrate a new type of Mach-Zehnder interferometer by combining a nonadiabatic microtaper with a long period grating in the same stage of all solid photonic bandgap fibers. Meanwhile, the mode-coupling caused by the ...
Highly sensitive strain sensor based on helical structure combined with Mach-Zehnder interferometer in multicore fiber
(2017)
Optical fiber sensors for strain measurement have been playing important roles in structural health monitoring for buildings, tunnels, pipelines, aircrafts, and so on. A highly sensitive strain sensor based on helical ...
In-line optofluidic refractive index sensing in a side-channel photonic crystal fiber
(2016)
An in-line optofluidic refractive index (RI) sensing platform is constructed by splicing a side-channel photonic crystal fiber (SC-PCF) with side-polished single mode fibers. A long-period grating (LPG) combined with an ...
Ultra-sensitive chemical and biological analysis via specialty fibers with built-in microstructured optofluidic channels
(2018)
All-in-fiber optofluidics is an analytical tool that provides enhanced sensing performance with simplified analyzing system design. Currently, its advance is limited either by complicated liquid manipulation and light ...
Simultaneous Measurement of Torsion and Temperature Based on Helical Structure in Multicore Fiber
(2016)
An all-fiber torsion sensor based on a helical structure in a multicore fiber is demonstrated. The sensor exhibits the ability of discriminating torsion direction, torsion angle and temperature.
Directional torsion and temperature discrimination based on a multicore fiber with a helical structure
(2018)
We propose and experimentally demonstrate a directional torsion sensor based on a Mach-Zehnder interferometer formed in a multicore fiber (MCF) with a ~570-μm-long helical structure (HS). The HS was fabricated into the MCF ...
Discrimination between refractive index and temperature by two cascaded cladding-mode type fiber sensors
(2012)
We demonstrated a fiber sensor for simultaneous
measurement of refractive index and temperature by
cascading one long period grating and one modal
interferometer. Cladding mode interference between them
was also ...
Investigation of strain-induced effects on microwave signals from an PM-EDF based short cavity DBR laser
(2012)
Axial strain-induced effects on beating frequency from a short cavity PM-EDF based distributed Bragg reflector (DBR) laser was investigated and experimentally demonstrated for the first time. A linear strain sensitivity ...
Simultaneous measurement of curvature and strain based on fiber Bragg grating in two-dimensional waveguide array fiber
(2013)
We report on the fabrication of a fiber Bragg grating (FBG) with multiple resonances in a two-dimensional waveguide array microstructured optical fiber containing 91 cores. Theoretical investigation reveals that these ...
