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Tunable mechanically induced long-period fiber gratings

Optics Letters, 2000
We report the experimental characterization of mechanically induced long-period fiber gratings (LPFG's) made by pressing a plate with periodic grooves against a short length of fiber. This filter, which is simple and inexpensive, exhibits transmission spectra and temperature stability similar to those of photoinduced LPFG's.
S, Savin, M J, Digonnet, G S, Kino, H J, Shaw +3 more
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Long-period fiber gratings as ultrafast optical differentiators

Optics Letters, 2005
It is demonstrated that a single, uniform long-period fiber grating (LPFG) working in the linear regime inherently behaves as an ultrafast optical temporal differentiator. Specifically, we show that the output temporal waveform in the core mode of a LPFG providing full energy coupling into the cladding mode is proportional to the first derivative of ...
Mykola, Kulishov, José, Azaña
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Numerical simulation of long-period grating sensors (LPGS) transmission spectrum behavior under strain and temperature effects

Sensor Review, 2021
Ahmed Nabih Zaki Rashed
exaly

Curvature sensor based on D-shape fiber long period fiber grating inscribed and polished by CO2 laser

Measurement: Journal of the International Measurement Confederation, 2023
Xiaoli Wang, Liqin Cui, Xiao Deng
exaly

Highly sensitive coated long period grating sensor for CO2 detection at atmospheric pressure

Sensors and Actuators B: Chemical, 2014
Luis Melo, David Risk, Peter Wild
exaly

Cavity ring-down long period grating pressure sensor

Sensors and Actuators A: Physical, 2010
N Ni, Chi Chiu Chan, Liyang Shao
exaly

Modal dispersion effects on the spectra of helical long-period fibre grating-based components

Optics Communications, 2020
Hua Zhao, Hongpu Li
exaly

Design of a phase-shifted long-period grating using the partial-etching technique

Microwave and Optical Technology Letters, 2005
Shizhuo Yin
exaly