scholarly journals Temperature-independent Optical Fiber Liquid Level Sensor Based on an In-fiber Mach–Zehnder Interferometer Formed by Cascaded Polarization-maintaining Long-period Fiber Gratings

2020 ◽  
Vol 32 (2) ◽  
pp. 745
Author(s):  
Sungwook Choi ◽  
Do Kyung Kim ◽  
Jihoon Kim ◽  
Seul-Lee Lee ◽  
Min Seok Kim ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Zehnder Interferometer ◽  
Liquid Level ◽  
Fiber Gratings ◽  
Long Period ◽  
Long Period Fiber Gratings ◽  
Level Sensor ◽  
Polarization Maintaining ◽  
Liquid Level Sensor ◽  
Mach Zehnder Interferometer

Tunable filter based on two concatenated symmetrical long period fiber gratings as Mach-Zehnder interferometer and its fiber lasing application

2022 ◽  
Vol 149 ◽  
pp. 107824
Author(s):  
E.C. Silva-Alvarado ◽  
A. Martinez-Rios ◽  
E. Gallegos-Arellano ◽  
J.A. Martin-Vela ◽  
L.M. Ledesma-Carrillo ◽  
...  
Keyword(s):  
Tunable Filter ◽  
Zehnder Interferometer ◽  
Fiber Gratings ◽  
Long Period ◽  
Long Period Fiber Gratings ◽  
Mach Zehnder Interferometer

Temperature tuning of superluminescent Er3+-doped source based on Mach–Zehnder interferometer and long-period fiber gratings

2016 ◽  
Vol 55 (1) ◽  
pp. 014102
Author(s):  
Grethell Georgina Perez-Sanchez ◽  
José Alfredo Alvarez-Chavez ◽  
Joaquin H. Rodriguez-Rodriguez ◽  
Christophe Gosset
Keyword(s):  
Zehnder Interferometer ◽  
Fiber Gratings ◽  
Long Period ◽  
Long Period Fiber Gratings ◽  
Temperature Tuning ◽  
Mach Zehnder Interferometer

High Sensitivity Refractive Index Sensor Based on Long Period Fiber Gratings in Line Mach-Zehnder Interferometer

2013 ◽  
Vol 658 ◽  
pp. 609-613 ◽  
Author(s):  
Jia Rong Zheng ◽  
Yong Qin Yu ◽  
Zhi Long Ou ◽  
Chen Lin Du ◽  
Pei Guang Yan ◽  
...  
Keyword(s):  
Refractive Index ◽  
Temperature Response ◽  
High Sensitivity ◽  
Zehnder Interferometer ◽  
Refractive Index Sensor ◽  
Fiber Gratings ◽  
Refractive Index Measurement ◽  
Long Period ◽  
Long Period Fiber Gratings ◽  
Mach Zehnder Interferometer

Mach-Zehnder interferometer formed by a pair of long period fiber gratings on single mode fiber is investigated as surrounding refractive index sensors. Interference fringes with bandwidth of 1.68 nm are induced by core mode and the excited cladding mode. High SRI sensitivity of 280.74 nm/RIU at 1437.74 nm in the range of 1.333 to 1.360 is achieved. Whilst the strain sensitivity (~0.33 nm/mε) and temperature response (~20.7 pm/°C) at 1428.64 nm are relatively low, which is superior in avoiding cross sensitivity in refractive index measurement.

High sensitivity liquid level sensor based on dual side-hole fiber Mach–Zehnder interferometer

2019 ◽  
Vol 440 ◽  
pp. 194-200 ◽  
Author(s):  
Ye Tian ◽  
Tao Tan ◽  
Chao Duan ◽  
Bin Xu ◽  
Xiaochen Zhao ◽  
...  
Keyword(s):  
High Sensitivity ◽  
Zehnder Interferometer ◽  
Liquid Level ◽  
Side Hole ◽  
Level Sensor ◽  
Liquid Level Sensor ◽  
Mach Zehnder Interferometer
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