CN105375258A - 一种海浪发电机用767nm、660nm、532nm三波长光纤输出激光器 - Google Patents
一种海浪发电机用767nm、660nm、532nm三波长光纤输出激光器 Download PDFInfo
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Abstract
一种海浪发电机用767nm、660nm、532nm三波长光纤输出激光器,设置767nm四波混频的周期极化铌酸锂激光谐振腔,在660nm激光输出光纤尾段设置660nm分束光纤圈,分束一路660nm激光输出,在532nm激光输出光纤尾段设置532nm分束光纤圈,分束一路532nm输出,信号光767nm、闲频光660nm、泵浦光I?1064nm与泵浦光II?532nm进入767nm四波混频周期极化铌酸锂激光谐振腔,发生四波混频效应,产生信号光767nm输出,最后输出767nm、660nm、532nm三波长光纤激光输出。
Description
技术领域:激光器与应用技术领域。
技术背景:
767nm、660nm、532nm三波长激光,是用于海浪发电机用光谱检测、激光源、物化分析等应用的激光,它可作为海浪发电机用光纤传767nm、660nm、532nm三波长感器的分析检测等应用光源,它还用于海浪发电机用光通讯等激光与光电子领域;光纤激光器作为第三代激光技术的代表,具有玻璃光纤制造成本低与光纤的可饶性、玻璃材料具有极低的体积面积比,散热快、损耗低与转换效率较高等优点,应用范围不断扩大。
发明内容:
一种海浪发电机用767nm、660nm、532nm三波长光纤输出激光器,设置767nm四波混频的周期极化铌酸锂激光谐振腔,在660nm激光输出光纤尾段设置660nm分束光纤圈,分束一路660nm激光输出,在532nm激光输出光纤尾段设置532nm分束光纤圈,分束一路532nm输出,信号光767nm、闲频光660nm、泵浦光I1064nm与泵浦光II532nm进入767nm四波混频周期极化铌酸锂激光谐振腔,发生四波混频效应,产生信号光767nm输出,最后输出767nm、660nm、532nm三波长光纤激光输出。
方案一、767nm四波混频的周期极化铌酸锂激光谐振腔的结构。
设置信号光767nm、闲频光660nm、泵浦光I1064nm与泵浦光II532nm发生四波混频的周期极化铌酸锂激光谐振腔的结构,从其输入端依次设置三波长输入镜、767nm四波混频周期极化铌酸锂激光晶体、767nm输出镜、767nm聚焦耦合输出镜,767nm聚焦耦合输出镜耦合接入767nm输出光纤。
方案二、分别设置660nm、532nm激光分束光纤圈
在660nm激光输出光纤尾段设置660nm分束光纤圈,分束一路660nm激光输出,在532nm激光输出光纤尾段设置532nm分束光纤圈,分束一路532nm输出。
方案三、设置660nm周期极化铌酸锂激光参量振荡谐振腔
设置660nm周期极化铌酸锂激光参量振荡谐振腔,从其输入端起依次设置:三级光纤输入镜、1064nm参量振荡基频激光晶体、参量振荡输入镜、660nm周期极化铌酸锂激光晶体、660nm输出镜、与输出端的660nm聚焦耦合输出镜,由此构成660nm周期极化铌酸锂激光参量振荡谐振腔.
方案四、设置532nm倍频激光谐振腔
设置532nm倍频激光谐振腔,从其输入端起依次设置:二级输入镜、532nm基频激光晶体、532nm倍频激光晶体、532nm输出镜21与输出端的532nm聚焦耦合输出镜,由此构成532nm倍频激光谐振腔。
方案五、设置1064nm谐振腔
设置1064nm谐振腔,设置1064nm谐振腔,从其输入端起依次设置:一级输入镜、1064nm激光晶体、1064nm输出镜11与输出端的1064nm聚焦耦合输出镜,由此构成1064nm谐振腔。
方案六、设置三级光纤结构
设置三级光纤结构,三级光纤结构由一级光纤圈、二级光纤圈与三级光纤圈连接一体而成,一级光纤圈通过808nm泵浦耦合器连接在半导体模块上,半导体模块由半导体模块电源供电,上述全部光学元件都安装在光学轨道及光机具上,在光学轨道及光机具上设置风扇3。
本发明的核心内容:
一种海浪发电机用767nm、660nm、532nm三波长光纤输出激光器,在660nm激光输出光纤尾段设置660nm分束光纤圈,分束一路660nm激光输出,在532nm激光输出光纤尾段设置532nm分束光纤圈,分束一路532nm输出,设置信号光767nm、闲频光660nm、泵浦光I1064nm与泵浦光II532nm发生四波混频的周期极化铌酸锂激光谐振腔的结构,发生四波混频效应生成信号光767nm光纤激光输出,构成767nm、660nm、532nm三波长光纤输出激光器结构。
附图说明:
附图为本专利的结构图,附图其中为:1、光学轨道及光机具,2、半导体模块,3、风扇,4、808nm泵浦耦合器,5、半导体模块电源,6、一级光纤圈,7、一级光纤输出端,8、一级光纤耦合器,9、一级输入镜,10、1064nm激光晶体,11、1064nm输出镜,12、聚焦耦合输出镜,13、1064nm输出光纤,14、1064nm谐振腔,15、二级光纤圈,16、二级光纤输出端,17、二级光纤耦合器,18、532nm聚焦耦合输出镜,19、532nm输出光纤,20、532nm倍频激光晶体,21、532nm输出镜,22、532nm基频激光晶体,23、二级输入镜,24、532nm倍频激光谐振腔,25、三级光纤圈,26、660nm输出光纤,27、660nm聚焦耦合输出镜,28、660nm输出镜,29、660nm周期极化铌酸锂激光晶体,30、参量振荡输入镜,31、1064nm参量振荡基频激光晶体,32、三级光纤输入镜,33、三波长参量耦合器,34、三级光纤耦合器,35、660nm周期极化铌酸锂激光参量振荡谐振腔,36、三级光纤输出端,37、三波长参量耦合传输光纤,38、767nm四波混频周期极化铌酸锂激光谐振腔,39、三波长输入镜,40、767nm四波混频周期极化铌酸锂激光晶体,41、767nm输出镜,42、767nm聚焦耦合输出镜,43、767nm输出光纤,44、767nm激光输出,45、660nm输出光纤,46、660nm分束光纤圈,47、532nm输出光纤,48、532nm分束光纤圈,49、三级光纤结构。
具体实施方式:
设置767nm四波混频周期极化铌酸锂激光谐振腔38,在660nm激光输出光纤26尾段设置660nm分束光纤圈46,分束一路660nm激光输出,在532nm激光输出光纤19尾段设置532nm分束光纤圈48,分束一路532nm输出,设置信号光767nm、闲频光660nm、泵浦光I1064nm与泵浦光II532nm发生四波混频的周期极化铌酸锂激光谐振腔38的结构,在767nm四波混频周期极化铌酸锂激光谐振腔38输出端设置767nm聚焦耦合输出镜42耦合接入767nm输出光纤43,在660nm激光输出光纤26尾段设置660nm分束光纤圈46,分束一路660nm激光输出,在532nm激光输出光纤19尾段设置532nm分束光纤圈48,分束一路532nm输出,闲频光660nm、泵浦光I1064nm与泵浦光II532nm与来源于三波长参量耦合传输光纤37,三波长参量耦合传输光纤37的前面设置三波长参量耦合器33,将1064nm输出光纤13、532nm输出光纤19与660nm输出光纤26耦合接入三波长参量耦合器33,设置660nm周期极化铌酸锂激光参量振荡谐振腔35,660nm周期极化铌酸锂激光参量振荡谐振腔35通过其输出端的660nm聚焦耦合输出镜27接入到660nm输出光纤26中,660nm周期极化铌酸锂激光参量振荡谐振腔35的输入端通过三级光纤耦合器34接在三级光纤输出端36上,三级光纤输出端36由三级光纤结构49的三级光纤圈25引出;设置信号光767nm四波混频的周期极化铌酸锂激光谐振腔38的结构,从其输入端依次设置三波长输入镜39、767nm四波混频周期极化铌酸锂激光晶体40、767nm输出镜41、767nm聚焦耦合输出镜42,767nm聚焦耦合输出镜42耦合接入767nm输出光纤43,设置532nm倍频激光谐振腔24,532nm倍频激光谐振腔24通过其输出端的532nm聚焦耦合输出镜18接入到532nm输出光纤19中,532nm倍频激光谐振腔24通过其输入端的二级光纤耦合器17接在二级光纤输出端16上,二级光纤输出端16从三级光纤结构49的二级光纤圈15上引出;设置1064nm谐振腔14,1064nm谐振腔14的输出端通过1064nm聚焦耦合输出镜12接入到1064nm输出光纤13中,1064nm谐振腔14通过其输入端的一级光纤耦合器8接在一级光纤输出端7上,一级光纤输出端7由三级光纤结构49的一级光纤圈6引出;设置660nm周期极化铌酸锂激光参量振荡谐振腔35,从其输入端起依次设置:三级光纤输入镜32、1064nm参量振荡基频激光晶体31、参量振荡输入镜30、660nm周期极化铌酸锂激光晶体29、660nm输出镜28、输出端的660nm聚焦耦合输出镜27,由此构成660nm周期极化铌酸锂激光参量振荡谐振腔35;设置532nm倍频激光谐振腔24,从其输入端起依次设置:二级输入镜23、532nm基频激光晶体22、532nm输出镜21、与输出端的532nm聚焦耦合输出镜18,由此构成532nm倍频激光谐振腔24;设置1064nm谐振腔14,从其输入端起依次设置:一级输入镜9、1064nm激光晶体10、1064nm输出镜11与输出端的1064nm聚焦耦合输出镜12,由此构成1064nm谐振腔14,设置三级光纤结构49,三级光纤结构49由一级光纤圈6、二级光纤圈15与三级光纤圈25连接一体而成,一级光纤圈6通过808nm泵浦耦合器4连接在半导体模块2上,半导体模块2由半导体模块电源5供电,上述全部光学元件都安装在光学轨道及光机具1上,在光学轨道及光机具1上设置风扇3,总体构成767nm、660nm、532nm三波长光纤输出激光器结构。
工作过程:
半导体模块电源5供电给半导体模块2供电,半导体模块2发射808nm激光经808nm泵浦耦合器4耦合进入一级光纤圈6,从而进入三级光纤结构49的二级光纤圈15与三级光纤圈25,808nm激光在三级光纤结构49中得到增益,从由三级光纤圈25引出三级光纤输出端36,输入808nm激光进入660nm周期极化铌酸锂激光参量振荡谐振腔35,经660nm周期极化铌酸锂激光参量振荡谐振腔35的1064nm参量振荡基频激光晶体31生成的1064nm激光去泵浦光学参量振荡生成660nm激光,经660nm聚焦耦合输出镜27耦合到660nm输出光纤26中,由其输入660nm激光到三波长参量耦合器33中;从由二级光纤圈15引出二级光纤输出端16,输入808nm激光进入532nm倍频激光谐振腔24,经532nm倍频激光谐振腔24的532nm基频激光晶体22生成532nm激光,经532nm聚焦耦合输出镜18耦合到532nm输出光纤19中,由其输入532nm激光到三波长参量耦合器33中;从由一级光纤圈6引出一级光纤输出端7,输入808nm激光进入1064nm谐振腔14,1064nm谐振腔14生成1064nm基频激光,经1064nm聚焦耦合输出镜12耦合到1064nm输出光纤13中,由其输入1064nm激光到三波长参量耦合器33中;从而,660nm激光、1064nm激光与532nm激光经三波长参量耦合器33耦合进入767nm四波混频周期极化铌酸锂激光谐振腔38,信号光767nm、闲频光660nm、泵浦光I1064nm与泵浦光II532nm发生四波混频效应,使信号光767nm发生、增益,信号光767nm经767nm聚焦耦合输出镜42与767nm输出光纤43输出767nm激光输出44,在660nm激光输出光纤26尾段设置660nm分束光纤圈46,分束一路660nm激光输出,在532nm激光输出光纤19尾段设置532nm分束光纤圈48,分束一路532nm输出。
Claims (1)
1.一种海浪发电机用767nm、660nm、532nm三波长光纤输出激光器,其特征为,在660nm激光输出光纤尾段设置660nm分束光纤圈,分束一路660nm激光输出,在532nm激光输出光纤尾段设置532nm分束光纤圈,分束一路532nm输出,设置信号光767nm、闲频光660nm、泵浦光I1064nm与泵浦光II532nm发生四波混频的周期极化铌酸锂激光谐振腔的结构,发生四波混频效应生成信号光767nm光纤激光输出,构成767nm、660nm、532nm三波长光纤输出激光器结构。
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