A high-power semiconductor laser beam expander system
A beam expander system and semiconductor technology, applied in the field of laser beam expanders, can solve the problems of large system volume, high lens cost, inconvenient use, etc., and achieve the effects of reducing system volume, uniform beam expanding spot, and shortening length
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[0033] A high-power semiconductor laser beam expander: it consists of a semiconductor laser array, a collimating lens group and a beam splitting system. The semiconductor laser stack is composed of several semiconductor laser units; the collimating lens group is placed at the laser exit of the semiconductor laser; the beam splitting system is placed in the direction of the collimated laser beam exit, including n components of optical modules , Each group of optical modules includes a beam splitter and a reflector. The beam splitter surface and the reflector reflection surface are set parallel to each other along the height direction and form an angle of 30-60° with the laser light output direction. The mth ((1 ≤m<n) The output beam of the component optical module is incident on the beam splitter of the m+1th component optical module, and the size of each component optical module increases exponentially in turn
[0034] The semiconductor laser unit is a semiconductor laser chip...
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