Two-loop based low-coherence multiplexing fiber optic sensors network with Michelson optical path demodulator

2005 ◽  
Author(s):  
Libo Yuan ◽  
Jun Yang
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Optical Path ◽  
Low Coherence ◽  
Coherence Multiplexing

scholarly journals Digital phase demodulation for low-coherence interferometry-based fiber-optic sensors

2018 ◽  
Vol 411 ◽  
pp. 27-32 ◽  
Author(s):  
Y. Liu ◽  
R. Strum ◽  
D. Stiles ◽  
C. Long ◽  
A. Rakhman ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Low Coherence ◽  
Digital Phase ◽  
Low Coherence Interferometry ◽  
Phase Demodulation

Fizeau Receiving Interferometer with 2-D CCD Matrix for Low Coherence Interferometric Fiber Optic Sensors

2008 ◽  
Author(s):  
Miloš C. Tomić ◽  
Zoran V. Djinović ◽  
Niklaus Ursus Wetter ◽  
Jaime Frejlich
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Low Coherence ◽  
Ccd Matrix

scholarly journals Low-Coherence Interferometric Fiber-Optic Sensors with Potential Applications as Biosensors

Sensors ◽  
2017 ◽  
Vol 17 (2) ◽  
pp. 261 ◽  
Author(s):  
Marzena Hirsch ◽  
Daria Majchrowicz ◽  
Paweł Wierzba ◽  
Matthieu Weber ◽  
Mikhael Bechelany ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Low Coherence ◽  
Potential Applications

Low Coherence Fiber Optic Sensors for Structural Monitoring

1995 ◽  
Vol 5 (1) ◽  
pp. 43-47 ◽  
Author(s):  
Adil Elamari ◽  
Jacques Breguet ◽  
Nicola Gisin ◽  
Daniele Inaudi ◽  
Leopold Ptlug ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Structural Monitoring ◽  
Low Coherence

scholarly journals Addressing Challenges in Fabricating Reflection-Based Fiber Optic Interferometers

Sensors ◽  
2019 ◽  
Vol 19 (18) ◽  
pp. 4030 ◽  
Author(s):  
Wahl ◽  
Wilhelmsen ◽  
Hjelme
Keyword(s):  
Significant Role ◽  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Optical Path ◽  
Experimental Results ◽  
Mode Propagation ◽  
The Core ◽  
Guided Mode ◽  
Path Lengths ◽  
Theory And Experiments

Fabrication of multimode fiber optic interferometers requires accurate control of certain parameters to obtain reproducible results. This paper evaluates the consequences of practical challenges in fabricating reflection-based, fiber optic interferometers by the use of theory and experiments. A guided-mode propagation approach is used to investigate the effect of the end-face cleave angle and the accuracy of the splice in core-mismatched fiber optic sensors. Cleave angles from high-end fiber cleavers give differences in optical path lengths approaching the wavelength close to the circumference of the fiber, and the core-mismatched splice decides the ensemble of cladding modes excited. This investigation shows that the cleave angle may significantly alter the spectrum, whereas the splice is more robust. It is found that the interferometric visibility can be decreased by up to 70% for cleave angles typically obtained. An offset splice may reduce the visibility, but for offsets experienced experimentally the effect is negligible. An angled splice is found not to affect the visibility but causes a lower overall intensity in the spectrum. The sensitivity to the interferometer length is estimated to 60 nm/mm, which means that a 17 µm difference in length will shift the spectrum 1 nm. Comparisons to experimental results indicate that the spliced region also plays a significant role in the resulting spectrum.

Nursing Movement Monitoring System Utilizing Hetero-core Fiber Optic Sensors Embedded in Medical Thin Films

2018 ◽  
Vol 138 (12) ◽  
pp. 525-532
Author(s):  
Masahiko Ito ◽  
Yuya Koyama ◽  
Michiko Nishiyama ◽  
Emi Yanagisawa ◽  
Mariko Hayashi ◽  
...  
Keyword(s):  
Thin Films ◽  
Monitoring System ◽  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Core Fiber ◽  
Movement Monitoring
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