Optical sensor based on two in-series birefringent optical fibers

Area of Science:

• Photonics and Optical Sensing
• Fiber Optic Sensors
• Birefringent Fiber Technology

Background:

• Birefringent optical fibers offer unique properties for sensor applications.
• Solc-filter-like configurations enable sophisticated optical filtering and sensing.
• Accurate theoretical modeling is crucial for predicting sensor performance.

Purpose of the Study:

• To propose and theoretically model a novel optical fiber sensor.
• To demonstrate the sensor's capability for dual-parameter or dual-environment sensing.
• To evaluate the sensor's performance in a practical temperature-sensing scenario.

Main Methods:

• Fabrication of an optical fiber sensor by splicing two birefringent optical fiber sections.
• Implementation of a Solc-filter-like configuration.
• Utilization of a theoretical model based on Jones matrices for prediction.
• Experimental evaluation of the sensor's response to temperature changes.

Main Results:

• The proposed sensor design allows for flexible sensing applications.
• The theoretical model accurately predicts experimental outcomes.
• The sensor demonstrated effective performance in temperature-sensing measurements.

Conclusions:

• The developed optical fiber sensor offers versatility in probing multiple physical parameters or sensing in distinct environments.
• The Jones matrix model provides a reliable tool for designing and optimizing such sensors.
• This technology holds promise for advanced optical sensing applications.