It is used in routing switch wavelengthchoice optical cross connection natural repair protection and so on.
光开关可实现在全光层的路由选择、波长选择、光交叉连接以及自愈保护等功能。
2
Optical fiber electrode nephelometry is adopted in determining the cell concentration in fermentative liquid, and the choice of the wavelength and the diluent is discussed.