Fiber optical amplifier having a detector for measuring scattere
Fiber optical communication line with shut off control
Fiber-optic amplifier as wavelength converter
Fiber-optic amplifier with a device for monitoring the input pow
Fiber-optic amplifier with a facility for monitoring the pump po
Fiber-or rod-based optical source featuring a large-core,...
Fiberoptic amplifier system with noise figure reduction
Filter with preselected attenuation/wavelength characteristic
Flexible and fast electronic control of optical devices
Fluorescence glass, optical wave guide for optical amplifier...
Four wave mixing reduction in raman amplifiers
Free-space optical module for optical amplification