原文The DARPA sponsored asphere grinder ,由DARPA激励的非球面光栅.

我公司能提供世界上最先进的光放大器, 如, ◆ 高功率掺铒光纤放大器（17dBm –44dBm） ◆ 掺镨光纤放大器 (13dBm) ◆ 掺铥光纤放大器 ◆ 掺镱光纤放大路(1 – 30 W) ◆ 拉曼放大器 不知道它是否能帮到您, 如有需要, 请email: linayuafr@163.com ...

或者比较好的书或者网站

市场前景很看好哦!

技术好文!

what is the boot reason that cause the directivety and return loss when we doing the fiber devices. who study more about them. who can talk about them.

最好是可调的窄带滤波器，急需实验用！ 请问在那儿能购买到？

DM9301 100Mbps Ethernet Fiberl Twisted Pair Single Chip Media Converter General Description The DM9301 is a physical-layer, single-chip, low-power media converter for 100BASE-TX/FX full duplex repeater applications. On the TX media side, it provides a direct interface to Unshielded Twisted Pair ...

请指教！谢谢