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量子激光器是用非線性材料產(chǎn)生倍頻激光的器件稱為倍頻激光器。一般把入射地激光稱為基頻光,由倍頻激光器出來的激光稱為倍頻光或二次諧波。普通的半導(dǎo)體激光器在短波波段具有功率低,光斑模式差等特性,在科研和工業(yè)應(yīng)用中受到很大的限制,在極紫外波段缺乏產(chǎn)生激光的半導(dǎo)體材料。
量子激光器是用非線性材料產(chǎn)生倍頻激光的器件稱為倍頻激光器。一般把入射地激光稱為基頻光,由倍頻激光器出來的激光稱為倍頻光或二次諧波。普通的半導(dǎo)體激光器在短波波段具有功率低,光斑模式差等特性,在科研和工業(yè)應(yīng)用中受到很大的限制,在極紫外波段缺乏產(chǎn)生激光的半導(dǎo)體材料。