Four-for-one special on LIDARs

spectrum.ieee.org

Lots of companies are racing to drop the cost of LIDARs chasing what's expected to be a massive market as autonomous vehicles become common. This week, there's a new entrant — Baraja. Our first reaction was, “Another one?”, but Baraja plays two neat tricks. First, rather than mechanically spinning or aiming the laser with MEMs mirrors, they precisely control the laser's wavelength and steer the beam by shooting it through a prism. Second, they have only one laser and use fiber-optics to route the beam to four sensors around the vehicle. No moving parts. One laser for four sensors. Pretty cool.

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