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Single longitudinal-mode operation from a semiconductor laser array via feedback from semi-spherical reflector

S.MacCormack, R.W.Eason


A technique for obtaining single-longitudinal-mode collimated output from a ten-stripe laser diode array using feedback from a single modified microscope objective is described. An optimum main mode to side mode ratio of 14 dB is obtained for a feedback reflectivity of 10%.

Applied Optics (1990) Vol.29(18) pp.2663-2664

doi: 10.1364/AO.29.002663

Southampton ePrint id: 78626




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