Novel sensor achieves high sensitivity of 13.59 V/MPa, indicating enhanced performance over Fabry-Perot designs.
An optical fiber ultrasound sensor based on optimized vibration mode was proposed and demonstrated. Benefiting from the micro rod, it can achieve a high sensitivity of 13.59 V/MPa, 96% higher than the ordinary Fabry-Perot structure.
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Zhang et al. (2025) studied this question.
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