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Microlenses Stabilize Microchip VECSELs

Diamond microlenses serve as both heat spreader and output coupler.

Breck Hitz

Vertical external-cavity surface-emitting lasers (VECSELs) have proved useful in numerous applications because they can be readily fabricated to produce various wavelengths and, unlike their edge-emitting cousins, produce a round collimated beam. Although vertical-cavity surface-emitting lasers...Read full article

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