Considerable efforts have been devoted to developing high-power, cw AlGaAs laser-diode arrays.1-3 Cw output-power levels of 76 W have been demonstrated from a 1-cm-wide, monolithic laser-diode array with a 3000-μm total aperture width.1 The cw power levels at which good lifetimes were reported, however, have been limited to much lower values (10 W for lasers with a 3000-μm2 and 2000-μm3 total aperture width).

© 1991 Optical Society of America

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