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???????????????????????????????????????? ???? ??????????? ?????????????The efficiency of a quantum effectively laser is greater than that of a bulk laser because the density of states functionality of electrons from the quantum well technique has an abrupt edge that concentrates electrons in Strength states that contribute to laser action.About 60�… Read More

? ?????????????????????????????? ???????????????? ????????? ?????????????????????? ! ????????????????? ?????? ?????????????????????? ??????????????? ? ?????????? ???????? - ????????????????????? ????????????? ???????????????? ?????????????????????????????????? ???????? ????????? - ???Your just lately considered items and featured recommendations �… Read More

????????????????????????????????????????????????????? diode laser ?????????????????????????????????????????????????????? ?????????????????????????????? ???? ??????????????????????????? ???????? ??????????????????? ???????????????????????????????????????? ?????????????????????????????????????? ????????????????????????????????????????The distinction … Read More