An underwater imaging device and method using laser spot scanning
An imaging device, laser point technology, applied in optics, image communication, optical components, etc., can solve the problems of complex linear or strip light source structure, difficult to realize underwater robot, difficult to improve scanning accuracy, etc. Scattering elimination effect, low power consumption, effect of reducing backscattering
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[0032] The present invention will be further described below in conjunction with the accompanying drawings.
[0033] Such as Figure 4As shown, the imaging device of the present invention includes an imaging unit 1 using a rolling shutter exposure method and a laser point scanning light source. The imaging unit 1 and the laser point scanning light source are connected through a synchronization cable 3 and a synchronization circuit 4 . The light source 2 is placed directly above the imaging unit 1, but this is not the only way of placement. The laser point scanning light source includes a semiconductor laser module 5, which can generate a laser beam 7, and the laser beam 7 can contain one wavelength or multiple wavelengths. The laser point scanning light source also includes a two-dimensional micro vibrating mirror 6 . The laser light 7 emitted by the semiconductor laser module 5 is reflected by the micro-vibration mirror 6 to the plane 8 where the target is located, forming ...
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