Hybrid dual core photonic crystal fiber as hydrostatic pressure sensor

For pressure sensing, a novel hybrid-dual core photonic crystal fiber (H-DCPCF) is proposed with elliptical and circular air holes based on coupling of modes between the two cores of H-DCPCF. Under different applied hydrostatic pressure, the mode coupling between two cores of H-DCPCF is numerically...

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Bibliographic Details
Published in:Optik (Stuttgart) 2020-05, Vol.210, p.164497, Article 164497
Main Authors: Chaudhary, Vijay Shanker, Kumar, Dharmendra, Mishra, Rajan, Sharma, Sneha
Format: Article
Language:English
Subjects:
Coupling length
Dual core
Hydrostatic pressure
Mode coupling
Sensitivity
Sensor
Stress component
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Summary:For pressure sensing, a novel hybrid-dual core photonic crystal fiber (H-DCPCF) is proposed with elliptical and circular air holes based on coupling of modes between the two cores of H-DCPCF. Under different applied hydrostatic pressure, the mode coupling between two cores of H-DCPCF is numerically analyzed. The transmission spectrum of the sensor is very sensitive to the applied hydrostatic pressure on the H-DCPCF. It is observed that the hydrostatic pressure given to the H-DCPCF is linearly related to the peak wavelength shift of the output transmission spectrum of sensor. Numerical simulation shows that the 6 cm long hydrostatic pressure sensor based on H-DCPCF has a sensing range from 0 to1000 Mpa and a sensitivity of -11.6 pm/Mpa.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2020.164497