?????????????? ??????????????????????????????????????????Determine seven. When a really substantial amount of laser modes that every one Have a very “zero” in the same position interfere, the resultant superposition is an especially narrow pulse.???????????????????????????????????????????????????????????????????? As in other lasers, the acquir

???????????? ????????????????????? ??????????????????????????????????????? ???????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????