The master alloy ingots(MAI)with the nominal composition Zr52.5 Ti5Cu17.9 Ni14.6Al10 and Fe61Co7Zr10Mo5W2B15(at%)were prepared by arc-melting in Ti-gettered Ar
Optical Transmission Networks(OTN) based on WDM is the next generation transmission network. Signals can be multiplexed, transmitted, amplified, routed and prot