Laser device and lidar
A lidar and laser technology, applied in the field of laser detection, can solve the problems of difficult to meet lidar application requirements, difficult to achieve high integration and high peak power, etc., achieve high integration and high peak power, high peak power, and improve flexibility. Effect
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[0043] It can be known from the background technology that the tunable laser in the prior art has a problem that it is difficult to meet the requirements of lidar.
[0044] Specifically, for example, in autonomous driving and unmanned driving, first of all, it is hoped that the detection range of the lidar is far enough (for example, when the reflectivity is 10%, the detection range reaches 300m), the laser needs to have high peak power and large pulses. Energy; secondly, if you want to obtain a denser point cloud to accurately identify pedestrians, vehicles, etc., you need a laser with high repetition frequency; after that, it is hoped to reduce the design difficulty of scanning mirrors (one-dimensional scanning mirrors are much less difficult than two-dimensional scanning mirrors. ). If a one-dimensional scanning mirror is used instead of a two-dimensional scanning mirror, the laser needs to be able to be tuned quickly and combined with a beam splitter to achieve high resolution...
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