An ameliorated phase-generated-carrier demodulation algorithm for sinusoidal phase-modulating fiber-optic interferometer

2018 ◽  
Author(s):  
Shuwang Li ◽  
Guoguang Lu ◽  
Canxiong Lai ◽  
Yunfei En
Keyword(s):  
Fiber Optic ◽  
Sinusoidal Phase Modulating ◽  
Fiber Optic Interferometer ◽  
Phase Generated Carrier

Sinusoidal phase-modulating fiber-optic interferometer fringe with a feedback control system

2014 ◽  
Vol 53 (27) ◽  
pp. 6206 ◽  
Author(s):  
Changrong Lv ◽  
Fajie Duan ◽  
En Bo ◽  
Xiaojie Duan ◽  
Fan Feng ◽  
...  
Keyword(s):  
Control System ◽  
Feedback Control ◽  
Fiber Optic ◽  
Feedback Control System ◽  
Sinusoidal Phase Modulating ◽  
Fiber Optic Interferometer

fiber optic interferometer fringe projector using sinusoidal phase-modulating

2013 ◽  
Author(s):  
Changrong Lv ◽  
Fajie Duan ◽  
Fukai Zhang ◽  
Xiaojie Duan ◽  
En Bo ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Sinusoidal Phase Modulating ◽  
Fiber Optic Interferometer

A sinusoidal phase-modulating fiber-optic interferometer insensitive to the intensity change of the light source

2003 ◽  
Vol 35 (3) ◽  
pp. 219-222 ◽  
Author(s):  
Xuefeng Wang ◽  
Xiangzhao Wang ◽  
Yingming Liu ◽  
Caini Zhang ◽  
Danyang Yu
Keyword(s):  
Light Source ◽  
Fiber Optic ◽  
Intensity Change ◽  
Sinusoidal Phase Modulating ◽  
Fiber Optic Interferometer

Design for a new fiber optic interferometer of water cut meter in oil well logging

2014 ◽  
Author(s):  
Ying Shang ◽  
Xiao-Hui Liu ◽  
Chang Wang ◽  
Wen-an Zhao
Keyword(s):  
Fiber Optic ◽  
Well Logging ◽  
Oil Well ◽  
Water Cut ◽  
Fiber Optic Interferometer

scholarly journals Experimental Study on the Concept of Hollow-Core Photonic Bandgap Fiber Stethoscope

2018 ◽  
Vol 2018 ◽  
pp. 1-4
Author(s):  
Adel Abdallah
Keyword(s):  
Experimental Study ◽  
Relative Phase ◽  
Fiber Optic ◽  
Photonic Bandgap ◽  
Single Mode ◽  
Hollow Core ◽  
Photonic Bandgap Fiber ◽  
Photonic Bandgap Fibers ◽  
Relative Phase Shift ◽  
Phase Generated Carrier

An experiment is proposed to show the feasibility of using hollow-core photonic bandgap fibers (HC-PBF) in the fiber-optic interferometric stethoscopes to generally improve the sensitivity and overcome the problems associated with the electronic stethoscopes. In the experiment, the HC-1550 is used as a measuring arm of an unbalanced Mach-Zehnder interferometer (MZI) and the conventional single-mode optical fiber (SMF) is used as an isolated reference arm. Detection and demodulation of the relative phase shift is performed passively using phase-generated carrier homodyne technique (PGC). The proposed results indicate the significance of using HC-PBFs in the future stethoscopes.

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