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作 者:付喜宏[1] 檀慧明[1] 李义民[1] 郝二娟[1] 钱龙生[1]
出 处:《中国激光》2007年第8期1043-1047,共5页Chinese Journal of Lasers
基 金:国家863计划(2002AA311140)资助项目
摘 要:报道了一种利用复合腔进行腔内和频的589nm激光器.激光器由两个子谐振腔组成.在两个子谐振腔中,分别利用两个激光二极管(LD)抽运Nd∶YAG晶体和Nd∶YVO4晶体,并分别选择1319 nm波长(对应Nd∶YAG晶体的4F3/2→4I13/2跃迁)与1064 nm波长(对应Nd∶YVO4晶体的4F3/2→4I11/2跃迁)振荡进行和频.通过谐振腔的优化设计,实现了腔内两个波长较好的模式与增益匹配.在两个子腔的交叠部分,利用BiB3O6(BIBO)晶体Ⅰ类临界相位匹配进行腔内和频,得到和频激光输出.当Nd∶YAG与Nd∶YVO4晶体上抽运功率分别为750 mW和600 mW时,获得了24 mW,589 nm黄橙激光输出.该输出激光光束质量好、噪声低. A compact continuous wave(CW) 589 nm laser is reported by intracavity sum-frequency mixing in a composite cavity.The laser has two sub-cavities.Nd∶YAG crystal and Nd∶YVO4 crystal were pumped by two laser diodes respectively in the two sub-cavities.In the two cavities wavelengths of 1319 nm from Nd∶YAG(corresponding to the ^4F3/2-^4I13/2 transition) and 1064 nm from Nd∶YVO4(corresponding to the ^4F3/2-^4I11/2 transition) were chosen to be mixed into 589 nm laser.Through designing of the cavity,the optimum matching of modes and gains for the two wavelengths was obtained.In the overlapping of the cavities,sum-frequency mixing was generated with a type Ⅰ critical phase matching BiB3O6(BIBO) crystal.A stable laser output of 24 mW at 589 nm with low noise was obtained at the incident pump power of 750 mW for the Nd∶YAG crystal and 600 mW for the Nd∶YVO4 crystal.
关 键 词:激光器 激光二极管抽运 和频 复合腔 589nm激光
分 类 号:TN248.1[电子电信—物理电子学]
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