The tunable light source is a process during which broadband ASE light from the pulsed SOA is chosen which has a spectral width of 0.two nm by a tunable filter and amplified by a fiber amplifier, making it Charge-effective and easy configuration.??????????????????????????????????????????????????????????? ???????????????????????????? ??????????????

???????????????????????????????????????????????????????????????????????????????????A variety of laser sorts can make picosecond pulses, with other functionality parameters various in extensive ranges:???????? ??????????? ?????????????? ?????????? ????????????????????? ???????????????????????????????????????????????? ???? ???????????????? ??????????