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(a) Emission spectrum of a 2D VCSEL array at 100 W continuous-wave output power (120 A). The FWHM is five times narrower than conventional devices. (b) Far-field beam profile of a 2D VCSEL array at 100 W continuous-wave output power (120 A). The FWHM is five times narrower than conventional devices. Credit: Princeton Optronics.

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