CN105375305A - 一种海洋探测用2209nm、1208nm双波长光纤输出激光器 - Google Patents

一种海洋探测用2209nm、1208nm双波长光纤输出激光器 Download PDF

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CN105375305A
CN105375305A CN201510973731.9A CN201510973731A CN105375305A CN 105375305 A CN105375305 A CN 105375305A CN 201510973731 A CN201510973731 A CN 201510973731A CN 105375305 A CN105375305 A CN 105375305A
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light
pump light
laser
fiber
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张波
王涛
王茁
昝占华
胡亚鹏
朱金龙
赵新潮
马龙飞
王天泽
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Nanjing Huibang Intelligent Technology Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08086—Multiple-wavelength emission
    • H01S3/0809—Two-wavelenghth emission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • H01S3/1083—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering using parametric generation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • H01S3/109—Frequency multiplication, e.g. harmonic generation

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  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

一种海洋探测用2209nm、1208nm双波长光纤输出激光器，整体光路设置为S型，设置信号光2209nm四波混频周期极化铌酸锂激光谐振腔，在泵浦光I？1208nm传输光纤上设置泵浦光I？1208nm分束光纤圈，信号光2209nm、闲频光980nm、泵浦光I？1208nm与泵浦光II？1550nm进入信号光2209nm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2209nm输出，最后输出2209nm、1208nm双波长光纤激光。

Description

一种海洋探测用2209nm、1208nm双波长光纤输出激光器
技术领域：激光器与应用技术领域。
技术背景：
2209nm、1208nm双波长激光，是用于海洋探测、光谱检测、激光源、物化分析等应用的激光，它可作为海洋探测、海洋探测用的2209nm、1208nm双波长应用光源，它还用于海洋探测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：
一种海洋探测用2209nm、1208nm双波长光纤输出激光器，整体光路设置为S型，设置信号光2209nm四波混频周期极化铌酸锂激光谐振腔，在泵浦光I1208nm传输光纤上设置泵浦光I1208nm分束光纤圈，设置泵浦光I1208nm输出端，信号光2209nm、闲频光980nm、、泵浦光I1208nm与、泵浦光II1550nm进入信号光2209nm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2209nm输出，最后输出2209nm、1208nm双波长光纤激光输出。
技术方案：
整体光路设置为S型，分为上、中、下层，上层设置有：信号光41nm四波混频周期极化铌酸锂激光谐振腔，发生信号光41nm。
中层设置有：泵浦光I1208nm增益谐振腔、、泵浦光II1550nm周期极化铌酸锂激光谐振腔、闲频光980nm倍频谐振腔、、泵浦光I1208nm光纤激光器、、泵浦光II1550nm基频光纤激光器、闲频光980nm基频光纤激光器，用于发生、泵浦光I1208nm、、泵浦光II1550nm与闲频光980nm。
底层设置有：泵浦光I1208nm半导体模块、、泵浦光II1550nm基频半导体模块、闲频光980nm基频半导体模块、风扇、激光电源，以上全部器件安装在光学轨道及光机具上，激光电源驱动半导体模块，风扇用于半导体模块冷却。
上、中、下层，层与层之间，设置有：三波长参量耦合器、、泵浦耦合器、、泵浦光I1208nm耦合器、、泵浦光II1550nm基频耦合器、闲频光980nm基频耦合器，用于光纤激光耦合。
上、中、下层，层与层之间，还设置有：、泵浦光I1208nm传输光纤、、泵浦光II1550nm基频传输光纤、闲频光980nm传输光纤、闲频光980nm传输光纤、、泵浦光II1550nm传输光纤、、泵浦光I1208nm传输光纤、三波长传输光纤与信号光41nm输出光纤，用于系统中激光的传输。
上、中层，设置有：泵浦光I1208nm分束光纤圈，用于激光分束，实现多波长激光输出。
本发明的核心内容：
一种海洋探测用2209nm、1208nm双波长光纤输出激光器，设置信号光2209nm四波混频周期极化铌酸锂激光谐振腔，在泵浦光I1208传输光纤上设置泵浦光I1208分束光纤圈，设置泵浦光I1208输出端，设置信号光2209nm、闲频光980nm、泵浦光I1208与、泵浦光II1550nm发生四波混频的周期极化铌酸锂激光谐振腔结构，构成2209nm、1208nm双波长光纤输出结构。
整体光路设置为S型，上层设置有：信号光2209nm四波混频周期极化铌酸锂激光谐振腔，中层设置有：闲频光980nm倍频谐振腔、泵浦光I1208增益谐振腔与、泵浦光II1550nm周期极化铌酸锂激光谐振腔，底层设置有：闲频光980nm基频光纤激光器、泵浦光I1208光纤激光器、泵浦光II1550nm基频光纤激光器、闲频光980nm半导体模块、泵浦光I1208nm半导体模块与、泵浦光II1550nm半导体模块，上层与中层之间设置三波长参量耦合器及传输光纤连接，中层与底层之间设置泵浦耦合器及光纤连接。
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、泵浦光II1550nm半导体模块，3、泵浦光I1208nm半导体模块，4、闲频光980nm半导体模块，5、风扇，6、激光电源，7、泵浦耦合器，8、泵浦光II1550nm基频光纤激光器，9、泵浦光I1208nm光纤激光器，10、闲频光980nm基频光纤激光器，11、泵浦光II1550nm基频光纤激光器输出光纤，12、泵浦光I1208nm光纤激光器输出光纤，13、闲频光980nm光纤激光器输出光纤，14、闲频光980nm传输光纤，15、闲频光980nm倍频谐振腔，16、闲频光980nm基频耦合器，17、泵浦光I1208nm耦合器，18、泵浦光I1208nm增益谐振腔，19、泵浦光I1208nm传输光纤，20、泵浦光II1550nm基频耦合器，21、泵浦光II1550nm传输光纤，22、泵浦光II1550nm周期极化铌酸锂激光谐振腔，23、三波长参量耦合器，24、三波长参量耦合传输光纤，25、三波长输入耦合器，26、信号光2209nm四波混频周期极化铌酸锂激光谐振腔，27、信号光2209nm输出光纤，28、信号光2209nm输出端，29、泵浦光I1208nm输出端，30、泵浦光I1208nm分束光纤圈。
具体实施方式：
整体光路设置为S型，上层设置有：信号光2209nm四波混频周期极化铌酸锂激光谐振腔26，中层设置有：闲频光980nm倍频谐振腔15、泵浦光I1208增益谐振腔18与、泵浦光II1550nm周期极化铌酸锂激光谐振腔22，底层设置有：闲频光980nm基频光纤激光器10、泵浦光I1208光纤激光器9、泵浦光II1550nm基频光纤激光器8、闲频光980nm半导体模块4、泵浦光I1208nm半导体模块3与、泵浦光II1550nm半导体模块2，上层与中层之间设置三波长参量耦合器23及三波长传输光纤24连接，中层与底层之间设置泵浦耦合器7及传输光纤连接。
设置信号光2209nm四波混频周期极化铌酸锂激光谐振腔26，设置，设置泵浦光I1208nm分束光纤圈30，设置，设置信号光2209nm、闲频光980nm、泵浦光I1208nm与、泵浦光II1550nm发生四波混频的周期极化铌酸锂激光谐振腔26的结构，在信号光2209nm四波混频周期极化铌酸锂激光谐振腔26的输出端，设置信号光2209nm输出光纤27，在信号光2209nm四波混频周期极化铌酸锂激光谐振腔26的输入端，设置三波长输入耦合器25，三波长输入耦合器25的输入端与三波长参量耦合传输光纤24连接，三波长参量耦合传输光纤24连接在三波长参量耦合器23的输出端，三波长参量耦合器23设有三个输入端，三波长参量耦合器23的左输入端与闲频光980nm传输光纤14连接，闲频光980nm传输光纤14从闲频光980nm倍频谐振腔15的输出端引出，闲频光980nm倍频谐振腔15的输入端连接着闲频光980nm基频耦合器16，闲频光980nm基频耦合器16的输入端连接着闲频光980nm光纤激光器输出光纤13，闲频光980nm光纤激光器10的下端连接着、泵浦耦合器7、泵浦耦合器7的下端与闲频光980nm半导体模块4连接，三波长参量耦合器23的中输入端与、泵浦光I1208nm传输光纤19连接、泵浦光I1208nm传输光纤19从、泵浦光I1208nm增益谐振腔18引出、泵浦光I1208nm增益谐振腔18的输入端与、泵浦光I1208nm耦合器17连接、泵浦光I耦合器17的输入端与、泵浦光I光纤激光器输出光纤12连接、泵浦光I1208nm光纤激光器9的下端与、泵浦耦合器连接、泵浦耦合器的下端与、泵浦光I1208nm半导体模块9连接，三波长参量耦合器23的右输入端与、泵浦光II1550nm传输光纤21连接、泵浦光II1550nm传输光纤21从、泵浦光II1550nm周期极化铌酸锂激光谐振腔22的输出端引出、泵浦光II1550nm周期极化铌酸锂激光谐振腔22输入端与、泵浦光II1550nm耦合器20连接、泵浦光II1550nm耦合器20的输入端与、泵浦光II1550nm基频光纤激光器输出光纤11连接、泵浦光II1550nm基频光纤激光器输出光纤11从、泵浦光II1550nm基频光纤激光器8引出、泵浦光II1550nm基频光纤激光器8的下端连接着、泵浦耦合器、泵浦耦合器连接着、泵浦光II1550nm半导体模块2；、泵浦光II1550nm半导体模块2、泵浦光I1208nm半导体模块3与闲频光980nm半导体模块4安装在光学轨道及光机具1上，光学轨道及光机具1上还安装有激光电源6与风扇5，在泵浦光I1208nm传输光纤19上设置泵浦光I1208nm分束光纤圈30，设置泵浦光I1208nm输出端29，上述全部光学元件都安装在光学轨道及光机具1上，总体构成2209nm、1208nm双波长光纤输出激光器结构。
工作过程：
激光电源6为、泵浦光I1208nm半导体模块3、泵浦光II1550nm半导体模块2与闲频光980nm半导体模块4供电、泵浦光I1208nm半导体模块3通过、泵浦耦合器驱动、泵浦光I1208nm光纤激光器8、泵浦光II1550nm半导体模块2通过、泵浦耦合器驱动、泵浦光II1550nm基频光纤激光器8，闲频光980nm半导体模块4通过、泵浦耦合器驱动闲频光980nm基频光纤激光器10；、泵浦光I1208nm基频光通过、泵浦光I1208nm光纤激光器输出光纤11，传输到、泵浦光I1208nm耦合器20中，经泵浦光I1208nm耦合器20耦合进入、泵浦光I1208nm周期极化铌酸锂激光谐振腔22中，经泵浦光I1208nm周期极化铌酸锂激光谐振腔输出、泵浦光I1208nm；、泵浦光II1550nm经泵浦光II1550nm基频光纤激光器输出光纤12，传输到、泵浦光II1550nm基频耦合器17中，经泵浦光II1550nm基频耦合器17进入、泵浦光II1550nm增益谐振腔18中，经泵浦光II1550nm增益谐振腔18增益输出、泵浦光II1550nm；闲频光980nm基频光通过闲频光980nm光纤激光器输出光纤13，传输到闲频光980nm基频耦合器16中，经闲频光980nm基频耦合器16耦合进入闲频光980nm倍频谐振腔15中，经闲频光980nm倍频谐振腔倍频输出闲频光980nm；、泵浦光I1208nm经泵浦光I1208nm传输光纤21传输进入三波长参量耦合器23、泵浦光II1550nm经泵浦光II1550nm传输光纤19进入三波长参量耦合器23，闲频光980nm经闲频光980nm传输光纤14进入三波长参量耦合器23，由三波长参量耦合器23耦合输出进入三波长参量耦合传输光纤24，传输进入三波长输入耦合器25，由三波长参量耦合器25进入信号光2209nm四波混频周期极化铌酸锂激光谐振腔26，信号光2209nm四波混频周期极化铌酸锂激光谐振腔26输出端设置信号光2209nm输出光纤27，信号光2209nm经信号光2209nm输出端28输出，经泵浦光I1208nm分束光纤圈30引出、泵浦光I1208nm经泵浦光I1208nm输出端29输出，总体构成2209nm、1208nm双波长光纤激光输出。

Claims (2)

1.一种海洋探测用2209nm、1208nm双波长光纤输出激光器，其特征为：设置信号光2209nm四波混频周期极化铌酸锂激光谐振腔，在泵浦光I1208传输光纤上设置泵浦光I1208分束光纤圈，设置泵浦光I1208输出端，设置信号光2209nm、闲频光980nm、泵浦光I1208与泵浦光II1550nm发生四波混频的周期极化铌酸锂激光谐振腔结构，构成2209nm、1208nm双波长光纤输出结构。
2.根据权利要求1所述的一种海洋探测用2209nm、1208nm、1550nm三波长光纤输出激光器，其特征为：整体光路设置为S型，上层设置有：信号光2209nm四波混频周期极化铌酸锂激光谐振腔，中层设置有：闲频光980nm倍频谐振腔、泵浦光I1208增益谐振腔与泵浦光II1550nm周期极化铌酸锂激光谐振腔，底层设置有：闲频光980nm基频光纤激光器、泵浦光I1208光纤激光器、泵浦光II1550nm基频光纤激光器、闲频光980nm半导体模块、泵浦光I1208nm半导体模块与泵浦光II1550nm半导体模块，上层与中层之间设置三波长参量耦合器及传输光纤连接，中层与底层之间设置泵浦耦合器及光纤连接。
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