20 世纪 80 年代,科学家发明掺铒光纤放大器(EDFA,Erbium-Doped Fiber Amplifier),并逐渐发展成光纤通信技术中光信号放大的首选技术。 EDFA 是奠定现代高速光通信网络的关键技术之一,其通过提供低噪声、宽带多波长的光信号放大能力,能够每隔 80 至 100 公里将光 ...
体积称重仪 激光AL-5系列 静态体积测量设备 ME-288B 平板式电荷监测仪多少钱一台 典型采购用户详情了解 LambertHI-CAM CR03其它 ...
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface. Wikiwand extension is a five stars, simple, with minimum ...
The ADAQ4370-4 is a quad-channel precision data acquisition (DAQ) signal chain μModule solution that reduces the development cycle of a precision measurement system by transferring the signal chain ...
激光产品116的使用方法? Point-Source116多少钱一台? 激光产品116可以检测什么? 激光产品116使用的注意事项? Point-Source116的说明书有吗? Point-Source激光产品116的操作规程有吗? Point-Source激光产品116报价含票含运吗? Point-Source116有现货吗? 光纤耦合半导体激光器 ...
Radioluminescence of Ce 3+-doped B 2 O 3 - SiO 2 - Gd 2 O 3 - BaO glass, PHYSICS LETTERS A, 323 (3-4): 323-328 MAR 22 2004 59. Jiang, C; Hu, WS; Zeng, QJ,Improved gain characteristics of high ...