研究目的
Investigating the design and application of a highly birefringent photonic crystal fiber (HBPCF) as a sensitive temperature sensor.
研究成果
The proposed HBPCF design achieves a birefringence of 4 × 10-4 and a birefringence sensitivity of 25% for a 5°C temperature variation around 25°C, corresponding to a sensitivity of around 10 nm/°C. This makes it a highly sensitive temperature sensor with potential applications in various fields.
研究不足
The study does not address the potential challenges in the fabrication of the proposed HBPCF or the integration into practical sensor systems.
1：Experimental Design and Method Selection:
The study proposes a new design of HBPCF by infiltrating two holes adjacent to the core with two different liquids to achieve high birefringence and sensitivity to temperature variations.
2：Sample Selection and Data Sources:
The study uses water and heptane as the infiltrating liquids due to their different refractive indices and sensitivity to temperature.
3：List of Experimental Equipment and Materials:
The HBPCF design parameters include hole diameters d and dc, and holes spacing s.
4：Experimental Procedures and Operational Workflow:
The modal birefringence is described as the difference between effective refractive indices of the two orthogonally polarized states of the fundamental guided mode.
5：Data Analysis Methods:
The study analyzes the birefringence and birefringence sensitivity of the proposed HBPCF for temperature variations.
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