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Er-doped Silica Optical Fibers and Amplifier
Fabrication of Er-doped Optical Fibers
Preform fabrication by Modified Chemical Vapor Deposition Process (MCVD)
Solution doping techinque
Fiber drawing system
Structure Parameters of Er-doped Optical Fibers
Er3+ : 350ppm
Pb2+, Ga3+, Bi3+, In3+: 0.6 M
NA: 0.21
Cutoff Wavelength (um): 1.1 ~1.3
Fiber Core diameter (um): 3~5
Fiber outer diameter (um): 125
Characteristics of Er-doped Optical Fibers
Refractive index profile (101 Index)
Absorption spectrum
Fluorescence and upconversion fluorescence
Amplification (pumped by a 1480 nm LD laser and a 1064nm Nd:YAG laser)
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