【摘要】 探索光纤在载荷力微扰下的输出与力的关系特性。利用压电陶瓷的振动驱动在力作用下的微弯变形器扰动光纤 ,改变其输出。实验表明 ,在 0 .5～ 12mN范围内输出与力成线性关系 ,线性度为 1% ,且系统设计具有机械调零、过载保护功能。更多还原

【Abstract】 The characteristic of output of optical-fiber by load change is searched for.Using vibrational piezoceramic material by force to drive the optical-fiber,record the changing output.The experiment shows the relationship between output and force is linearity in range 0.5～12mN,the linearity is 1%.This system is a distributed fiber optic measuring system and it has the function of mechanical zero adjustment and overload protection.更多还原