Device for inhibiting laser speckles and laser projection device
A technology of laser speckle and cooling device, applied in the field of laser projection, can solve the problems that high brightness cannot be achieved, is difficult, cannot fundamentally eliminate speckle, etc., achieves diversity, is simple and easy to implement, and suppresses laser scattering. The effect of the speckle effect
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[0028] The first embodiment of the present application provides a device for suppressing laser speckle, which can make the wavelengths of lasers of the same color output by multiple semiconductor lasers different to form differences and diversity of wavelengths, so that the lines of the semiconductor lasers are As the width increases, the speckle effect of the corresponding laser will also be significantly reduced.
[0029] The device will be introduced and described below through specific embodiments.
[0030] figure 1 It is a schematic structural diagram of the laser speckle suppression device provided by the first embodiment of the present application. Please refer to figure 1 , the device for suppressing laser speckle includes at least two groups of module assemblies, wherein the module assemblies include a semiconductor laser and a cooling device.
[0031] Correspondingly, the device may include several groups of module assemblies composed of semiconductor lasers and r...
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