Laser projector and its depth camera
A laser projector and laser technology, applied in the field of optics, can solve the problem of reducing the irrelevance of laser patterns, and achieve the effect of improving irrelevance, speed and accuracy
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[0030] refer to figure 1 , figure 1 It is a structural schematic diagram of an embodiment of the laser projector of the present invention.
[0031] The laser projector of this embodiment includes a base 10 , at least two light emitting elements 11 and 12 , a controller 13 , at least two lenses 151 , 152 and a diffractive optical element 14 .
[0032] Wherein, the diffractive optical element 14 is disposed at a position separated from the base 10 by a first distance; at least two light emitting elements 11, 12 are fixed on the side of the base 10 facing the diffractive optical element 14; at least two lenses 151, 152 are disposed on the base 10 and the diffractive optical element 14.
[0033] Wherein, at least two light-emitting elements 11, 12 emit laser light under the control of the controller 13, and at least two lenses 151, 152 are used to focus and / or collimate the laser light emitted by the at least two light-emitting elements 11, 12, Fig. The at least two lenses 151,...
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