Journal
OPTICAL AND QUANTUM ELECTRONICS
Volume 50, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1007/s11082-018-1710-y
Keywords
Hemoglobin concentration; Dual-core photonic crystal fiber; Coupling length; Transmission spectrum; Finite element method
Funding
- SERB [EMR/2016/006361]
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A Hemoglobin (Hb) biosensor based on dual-core photonic crystal fiber is proposed and analyzed. In this paper, the effective refractive index dependency on the Hb concentration within a blood sample is utilized in obtaining the transmission spectrum variation. The results are calculated using full vectorial finite element method. Through this study, the effect of the structure geometrical parameters on the sensor performance is optimized to maximize the sensor sensitivity. The numerical results show a sensitivity of 8.013nm/g/dL for the X-polarized mode at 3.7cm fiber length and 7.68nm/g/dL for the Y-polarized mode at 3.2cm fiber length of the proposed sensor.
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