Hand-held Laser Vertical Stack
Hand-held Laser Vertical Stack
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Hand-held Laser Vertical Stack
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Semiconductor lasers,also known as laser diodes,are lasers that use semiconductor materials as working substances.Due to the differences in material structure,the specific process of different types of laser is relatively special.Common working materials include gallium arsenide(GaAs),cadmium sulfide(CDS),indium phosphide(INP),zinc sulfide(ZnS),etc.There are three kinds of excitation modes:electric injection,electron beam excitation and optical pumping.Semiconductor laser devices can be divided into homogeneous junction,single heterojunction,double heterojunction and so on.Homojunction lasers and single heterojunction lasers are mostly pulse devices at room temperature,while double heterojunction lasers can work continuously at room temperature.
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