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High-power pulse laser source for LIDAR systems

Lasers generating short optical pulses with widths in the range from 200 ps to 20 ns are key components for a broad range of applications including LiDAR (Light Detection and Ranging), e.g., for autonomous driving, 3D object detection, laser scanning (airborne, satellite, and terrestrial) as well as fluorescence spectroscopy and micro-machining systems.

The Ferdinand-Braun-Institut (FBH) has developed a suitable, very compact laser source. The laser module uses a tailored design for pulse generation from the institute’s diode laser technology as well as a laser driver with GaN transistor in the final stage offering pulses up to 250 A with controllable pulse amplitude and width. Integrated on these drivers is FBH’s latest generation of wavelength stabilized laser diodes that emit 5 ns pulses with 40 W (single emitter) or up to 100 W (3-emitter array) pulse power near 905 nm with good beam quality and up to 85°C. This concept can, of course, be transferred to further wavelengths.


Exhibitor: Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik

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