| 简介 |
Useful model relates to the field of optics, in particular to optical engineering fiber amplifiers. Optical fiber amplifier laser pulses, including, input device signal impulse, optical fiber with normal dispersion of group velocities, alloy rare-earth ions, pumping source, multiplexer, through which to alloy rare-earth ions optical fiber are connected pumping source and input device signal impulse, output device amplified pulse of, characterized in that alloy rare-earth with ions of optical fibre is photon-crystalline, in which ratio of parameter of normal dispersion group velocities to parametre nonlinearity exponentially growth on length of fiber. Use of photon-crystalline fibre allows amplification in different wave length bands. Identifying property alloyed photon-crystalline fibre provides lower nnyi level of frequency modulation of amplified pulse of. Due to this amplification is more efficiently, as achievement of spectrum of pulse of limits spectral of strip of amplification is at high values of energy pulse. |
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