求助，找文章

hhgg0729

不知道哪儿可以找到，我在IEEE的网站上看见了，但没有IEEE的会员进不去！

Measuring Gain and Noise Figure of Erbium-Doped Fiber Amplifiers ...

DWDM optical amplifier noise figure measurement,” in Optical Ampli-. fiers and Their Applications, ser.
OSA Technical Digest, 1998, vol. 25,. pp. 120–124.