Gas pressure sensor based on a hollow cavity modulated phase shifted fiber Bragg grating

2021 ◽  
Author(s):  
shengzhen Lu ◽  
Junxian Luo ◽  
Shen Liu ◽  
Yiping Wang
Keyword(s):  
Fiber Bragg Grating ◽  
Pressure Sensor ◽  
Gas Pressure ◽  
Bragg Grating ◽  
Modulated Phase ◽  
Hollow Cavity

Phase-shifted fiber Bragg grating modulated by a hollow cavity for measuring gas pressure

2020 ◽  
Vol 45 (2) ◽  
pp. 507 ◽  
Author(s):  
Junxian Luo ◽  
Shen Liu ◽  
Yuanyuan Zhao ◽  
Yanping Chen ◽  
Kaiming Yang ◽  
...  
Keyword(s):  
Fiber Bragg Grating ◽  
Gas Pressure ◽  
Bragg Grating ◽  
Hollow Cavity

Fiber Bragg grating–based hydraulic pressure sensor with enhanced resolution

2015 ◽  
Vol 54 (9) ◽  
pp. 096104 ◽  
Author(s):  
Vengal Rao Pachava ◽  
Srimannarayana Kamineni ◽  
Sai Shankar Madhuvarasu ◽  
Venkata Reddy Mamidi
Keyword(s):  
Fiber Bragg Grating ◽  
Pressure Sensor ◽  
Bragg Grating ◽  
Hydraulic Pressure ◽  
Enhanced Resolution

Fiber optic pressure sensor using a fiber Bragg grating

1998 ◽  
Author(s):  
Chuan S. Tjin ◽  
Jianzhong Hao ◽  
Rahul Malik
Keyword(s):  
Fiber Bragg Grating ◽  
Pressure Sensor ◽  
Fiber Optic ◽  
Bragg Grating

A Pressure Sensor Using Fiber Bragg Grating

2001 ◽  
Vol 20 (1) ◽  
pp. 59-69 ◽  
Author(s):  
Swee Chuan Tjin ◽  
Jianzhong Hao ◽  
Yu-Zhi Lam ◽  
Yoong Ching Ho ◽  
Beng Koon Ng
Keyword(s):  
Fiber Bragg Grating ◽  
Pressure Sensor ◽  
Bragg Grating

Design and development of pressure sensor based on Fiber Bragg Grating (FBG) for ocean applications

2020 ◽  
Vol 90 (3) ◽  
pp. 30501 ◽  
Author(s):  
Venkata Satya Chidambara Swamy Vaddadi ◽  
Saidi Reddy Parne ◽  
Sanjeev Afzulpurkar ◽  
Shivanand Prabhu Desai ◽  
Vijeesh Vadakke Parambil
Keyword(s):  
Stainless Steel ◽  
Fiber Bragg Grating ◽  
Pressure Sensor ◽  
Experimental Studies ◽  
Steel Tube ◽  
Bragg Grating ◽  
Stainless Steel Tube ◽  
Air Cavity ◽  
Compact Design ◽  
Column Pressure

A Fiber Bragg Grating (FBG) based sensors has been designed, fabricated and is being prototyped to measure the ocean water column pressure. To measure the pressure variation, a compact design is made by using stainless steel disks and rubber “O” rings in a closed air cavity setup. The pressure in static freshwater column ranging from 0 to 0.04 MPa was gauged, using closed air cavity setup. Also, another “T” shaped design, for testing, has been made of solid stainless-steel tube with the open-air cavity for an extended range of pressure sensing. By using an oil pressure pump and open-air cavity setup, pressure values from 0 to 0.5 MPa have been measured. In both setups same thickness of copper, stainless steel diaphragms are used to measure the pressure. Range of measurements has been carried out to test both the setups. Results indicate that the pressure sensitivity in closed air cavity setup is 24.95 nm/MPa with linearity 99.72%. In the open-air cavity, setup is 16.22 nm/MPa with linearity 99.34% is achieved. Simulation and experimental studies are performed to validate the efficacy of the designed FBG pressure sensor.

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