The techniques for multiplexed fiber grating sensors, espacial detection of multiple wavelength shift are discussed.
评述了复用光纤光栅传感器的有关技术，着重讨论了多波长移动探测解调技术。
2
Pseudo slant fiber Bragg grating, multiple series fiber Bragg grating, optical fiber type coupler and optical connector.
准倾斜光纤布拉格光栅，复联光纤布拉格光栅，光纤型耦合器和光连接器。
3
It is also proved that the measuring range is expanded more by placing the object facing the grating reasonably, system mentioned, the multiple is 57, greater than 3.