| 1. | Ideas about applications of lpfg to band - pass filters , optical add / drop multiplexing , optical fiber sources , coupling of fibers , optical fiber polarizers and novel sensing are illustrated 阐明了长周期光纤光栅用于带通滤波、光上下路复用、光纤光源、光纤耦合、偏振器件、新型传感等新技术领域的思路,给出了具体实现方法。 |