LI Zhi-zhong, ZHOU Wei-lin, YANG Hua-yong, et al. High frequency vibration measurement with fiber grating sensing based on unmatched interferometer[J]. 2004,(5):55-57.
LI Zhi-zhong, ZHOU Wei-lin, YANG Hua-yong, et al. High frequency vibration measurement with fiber grating sensing based on unmatched interferometer[J]. 2004,(5):55-57. DOI: 10.13756/j.gtxyj.2004.05.019.
非平衡干涉检测光纤光栅高频振动传感研究
摘要
采用非平衡Mach Zender干涉仪检测光纤光栅高频振动传感测量
通过工作点控制消除了随机相位变化和光源起伏的影响
实现了40kHz频率范围内振动信号的检测.
Abstract
High frequency vibration sensing with fiber grating is achieved with the method based on unmatched Mach-Zehnder interferometer . The random phase noise and the light source power waving are suppressed through the work point controlling. We achieved the measurement of 40 kHz frequency.
关键词
振动测量光纤光栅高频传感
Keywords
vibration measurementfiber gratinghigh frequency sensing