long period grating
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Fiber Vector Magnetometer Based on Polarization-Maintaining Fiber Long-Period Grating with Ferrofluid Nanoparticles

2022 ◽  
pp. 1-1
Author(s):  
Chen Jiang ◽  
Yunqi Liu ◽  
Chengbo Mou ◽  
Jianxiang Wen ◽  
Sujuan Huang ◽  
...  
Keyword(s):  
Long Period Grating ◽  
Long Period ◽  
Vector Magnetometer ◽  
Polarization Maintaining Fiber ◽  
Polarization Maintaining

High-Sensitivity Integrated SiN Rib-Waveguide Long Period Grating Refractometer

2021 ◽  
Author(s):  
Clément Michel Philippe Deleau ◽  
Han Cheng Seat ◽  
Olivier Bernal ◽  
Frederic Surre
Keyword(s):  
High Sensitivity ◽  
Long Period Grating ◽  
Rib Waveguide ◽  
Long Period

Weight classifier using optical time domain reflectometry and a long period grating sensor

2021 ◽  
Vol 67 ◽  
pp. 102694
Author(s):  
Marco Aurélio Jucá ◽  
Isabela Victória C. Pereira ◽  
Diego Barreto Haddad ◽  
Alexandre Bessa dos Santos
Keyword(s):  
Time Domain ◽  
Time Domain Reflectometry ◽  
Long Period Grating ◽  
Long Period ◽  
Optical Time Domain Reflectometry ◽  
Optical Time

Line by line inscribed small period long period grating for wide range refractive index sensing

2021 ◽  
pp. 127821
Author(s):  
Junying Wang ◽  
Fangcheng Shen ◽  
Xuewen Shu ◽  
Kaiming Zhou ◽  
Haiming Jiang ◽  
...  
Keyword(s):  
Refractive Index ◽  
Long Period Grating ◽  
Long Period ◽  
Refractive Index Sensing ◽  
Wide Range ◽  
Small Period

scholarly journals Delafossite AgAlO₂ modified long-period grating for highly-sensitive ammonia sensor

2021 ◽  
Author(s):  
Dandan Rong ◽  
Gang Meng ◽  
Xiaodong Fang ◽  
Libing You ◽  
Zanhong Deng
Keyword(s):  
Ammonia Sensor ◽  
Long Period Grating ◽  
Long Period ◽  
Highly Sensitive

Integrated Forward-Propagating Add-Drop Filter based on Cladding-Modulated Multimode Long Period Grating

2021 ◽  
Author(s):  
Zhengqian He ◽  
Zhenzhou Tang ◽  
Ang Li ◽  
Rui Cheng ◽  
Shilong Pan
Keyword(s):  
Long Period Grating ◽  
Long Period

scholarly journals Optical Fiber Interferometers Based on Arc-Induced Long Period Gratings at INESC TEC

Sensors ◽  
2021 ◽  
Vol 21 (21) ◽  
pp. 7400
Author(s):  
Paulo Caldas ◽  
Gaspar Rego
Keyword(s):  
Refractive Index ◽  
Optical Fiber ◽  
Cavity Length ◽  
Fiber Optic ◽  
Fiber Diameter ◽  
Long Period Grating ◽  
Long Period ◽  
Long Period Gratings ◽  
Cladding Mode ◽  
Mode A

In this work, we review the most important achievements of an INESC TEC long-period-grating-based fiber optic Michelson and Mach–Zehnder configuration modal interferometer with coherence addressing and heterodyne interrogation as a sensing structure for measuring environmental refractive index and temperature. The theory for Long Period Grating (LPG) interferometers and coherence addressing and heterodyne interrogation is presented. To increase the sensitivity to external refractive index and temperature, several LPG interferometers parameters are studied, including order of cladding mode, a reduction of the fiber diameter, different type of fiber, cavity length and the antisymmetric nature of cladding modes.

Investigation of long period grating imprinted on a plastic optical fiber for liquid level sensing

Optik ◽  
2021 ◽  
pp. 168367
Author(s):  
Haiyang Bao ◽  
Bingcheng Wu ◽  
Yuan Liu ◽  
Yanfei Zhou ◽  
Jie Zheng
Keyword(s):  
Optical Fiber ◽  
Liquid Level ◽  
Plastic Optical Fiber ◽  
Long Period Grating ◽  
Long Period

Fiber optic biosensor based on long period grating for the detection of vitamin D

2021 ◽  
Author(s):  
Flavio Esposito ◽  
Lucia Sansone ◽  
Anubhav Srivastava ◽  
Angela Maria Cusano ◽  
Stefania Campopiano ◽  
...  
Keyword(s):  
Vitamin D ◽  
Fiber Optic ◽  
Long Period Grating ◽  
Long Period
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