This digital micromirror device based beam steering system works over a range of wavelengths, while having a large field of view.

About

Digital Micromirror Device Based Beam Steering

Tech ID: UA17-157

Invention:
Researchers at the University of Arizona have designed a beam steering system that works over a large range of wavelengths, with a relatively large field of view, high scan rate, and large beam size, while minimizing the number of moving parts. The invention includes a novel architecture for the illumination and scanning components.

Background:
Beam steering technology is essential for Light Detection and Ranging (LIDAR) systems. Mechanical scanning systems including gimbals, fast-steering mirrors, Risley prisms, rotating polygon mirrors and gratings have been used for wide wavelength ranges. Although these are widely adopted, there is still a need for fewer or no moving parts and smaller component inertia for fast and compact beam steering devices to reduce size, weight, cost, and power consumption. This is especially desirable for the autonomous vehicle and robotics market sector applications.

Key Benefits

- Wide field of view
- Large number of scan angles
- Few moving parts
- Small component inertia
- High scan rate

Applications

- LIDAR
- Product line inspection
- Optical switching

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