摘要
声波信号的质量对于全光纤声光可调谐滤波器的滤波稳定性及调谐范围等都起着重要作用。该文设计制作的声信号调理电路有效满足了全光纤声光可调谐滤波器对声波信号频率、幅度、失真度等参数的要求。将该电路应用于光纤光栅声光可调谐滤波器的声信号控制实验中,实现了输出波长在声波信号控制下快速、稳定的连续调谐。
The quality of acoustic signal plays an important role in the filtering stability and tuning range of all-fiber acousto-optic tunable filter（AOTF）.In this article,an acoustic signal regulating circuit is designed and fabricated,which is well satisfied the requirements of AOTF for the acoustic waves in some aspects,such as the frequency,amplitude,distortion degree and so on.Then the circuit is applied to the fiber grating based AOTF system and polarization based AOTF system,separately.The experimental results demonstrate the employed acoustic signal regulating circuit can drive the fiber grating based AOTF system effectively to achieve tunable wavelength output quickly and steadily.
出处
《压电与声光》
CSCD
北大核心
2013年第4期491-495,共5页
Piezoelectrics & Acoustooptics
基金
中央高校基本科研业务费专项基金资助项目(2011YJS203)
关键词
声光可调谐滤波器
声波频率
放大电路
信噪比
acousto-optic tunable filter
acoustic frequency
amplifying circuit
signal-to noise ratio
