MacCormack, S. and Eason, R.W.
Single-longitudinal-mode operation from a semiconductor laser array via feedback from a modified collimating objective
Applied Optics, 29, (18), . (doi:10.1364/AO.29.002663).
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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%.
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