عنوان فارسی مقاله: تقویت کننده های نوری
عنوان انگلیسی مقاله:
فهرست مطالب
Optical Amplifiers
The Goal
General Types
Parameters to keep in mind
Doped Fiber Background Info
Erbium Doped Fiber Amplifier
Other Rare Earth Amplifiers
Design Issues with Doped Fibers
Semiconductor Amplifiers
Raman Amplifiers
Chirped Pulse Amplification
National Ignition Facility
Bibliography
بخشی از مقاله
Raman Amplifiers
Most of the time photons scatter elastically (Rayliegh Scattering)
Some photons will scatter inelastically and lose energy
Working Principles:
Nonlinear process: Stimulated Raman Scattering
Incident photon excites electron to virtual state
Electron de-excites down to the vibrational state
Advantages
Any single mode fiber can be used
Lower cross talk between signals
Very broadband operation
Disadvantages
High optical pump power
Low Gain ~ 10 dB
Long length of fiber required
دانلود رایگان مقاله پاورپوینت انگلیسی Optical Amplifiers
کلمات کلیدی:
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