Laser Lighting

White-light lasers challenge LEDs in directional lighting applications


Legacy halogen and metal halide light sources can produce highly directional beams, but with low efficiency and short lifetimes. And while light-emitting diodes (LEDs) are highly efficient with longer life, divergence angles <10° are difficult to produce from compact LED luminaires. Engineers at SoraaLaser (Goleta, CA) have found a solution by developing the first commercial solid-state, highly directional, and efficient white-light laser source with a luminance up to 100X better than LED luminaire devices.

Using semipolar gallium nitride (GaN) laser diodes and phosphors, SoraaLaser has produced white-light surface-mount devices (SMDs) that produce up to 500 lumens of output from a 300 μm emitting area and enable collimated beam angles as low as 1-2° from compact optics.

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