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1. 北京工业大学 激光工程研究院, 北京 100124
2. 江苏北方湖光光电有限公司, 江苏 无锡 214035
纸质出版日期:2019-7-5,
网络出版日期:2018-11-5,
收稿日期:2018-7-17,
修回日期:2018-10-22,
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邹吉跃, 刘学胜, 徐爱东等. 大信号无水冷LD侧泵Nd∶YAG激光放大器[J]. 发光学报, 2019,40(7): 885-890
ZOU Ji-yue, LIU Xue-sheng, XU Ai-dong etc. Large Signal LD Side-pumped Nd: YAG Laser Amplifier Without Water-cooler[J]. Chinese Journal of Luminescence, 2019,40(7): 885-890
邹吉跃, 刘学胜, 徐爱东等. 大信号无水冷LD侧泵Nd∶YAG激光放大器[J]. 发光学报, 2019,40(7): 885-890 DOI: 10.3788/fgxb20194007.0885.
ZOU Ji-yue, LIU Xue-sheng, XU Ai-dong etc. Large Signal LD Side-pumped Nd: YAG Laser Amplifier Without Water-cooler[J]. Chinese Journal of Luminescence, 2019,40(7): 885-890 DOI: 10.3788/fgxb20194007.0885.
为了获得高激光脉冲能量,设计了高能脉冲激光放大系统。对该放大系统的输出能量、脉冲宽度、能量稳定度、输出脉冲宽度等进行了研究。首先,进行四能级激光速率方程的分析递推出泵浦能量和储存能量、增益系数等的关系。接着,进行了激光放大器的系统设计,然后进行实验验证,最后,实验还进行了输出激光的性能测试。实验结果表明:在Nd:YAG晶体棒尺寸为
?
8 mm100 mm、Nd
3+
的掺杂浓度为1.1%、泵浦功率最大24 kW、重复频率为10 Hz、泵浦电流为80 A、泵浦脉宽为200 s的条件下,得到脉冲宽度10 ns、最大脉冲能量1 050 mJ的脉冲激光,输出能量不稳定度
<
3%,通过刀口法测得水平和垂直方向光束质量
M
2
分别是3.9和4.8。满足了高能量、无水冷、稳定可靠等要求。
In order to obtain high laser pulse energy
a laser amplifier system was designed. The parameters of the amplifier system are studied such as the output energy
pulse width
energy stability and output pulse width. First
the analysis of the four-level laser rate equation is carried out
and the relations between pump energy
storage energy
and gain coefficient are derived. Then
the system design of the laser amplifier is given
and the experimental verification is carried out. Finally
the performance index of the output laser is tested. Experimental results indicate that
at the size of the Nd:YAG crystal rod of
?
8 mm100 mm
the doping concentration Nd
3+
of 1.1%
the pump maximum power of 24 kW
the semiconductor thermoelectric refrigeration with three maximum power of 66 W
the repetition frequency of 10 Hz
the pump current of 80 A
the pump pulse width of 200 s
we obtained the output of the laser with the maximum pulse energy of 1 050 mJ at a wavelength of 1 064 nm
a pulse width of 10 ns and an output energy instability of 3%. The beam qualities
M
2
horizontal and vertical directions are 3.9 and 4.8
respectively
through the beam quality diagnostic instrument M-200S. It can satisfy the system requirements of high energy
without water-cooling
stability and reliability.
LD侧面泵浦放大器高能量无水冷
diode-side-pumpedamplifierhigh energythermoelectric cooler
克希耐尔W. 固体激光工程[M]. 第5版. 北京:科学出版社, 2002. KIRCHNER W. Solid State Laser Engineering[M]. 5th ed. Beijing:Science Press, 2002. (in Chinese)
WANDT C,KLINGEBIEL S, SIEBDLD M, et al.. Generation of 220 mJ nanosecond pulses at a 10 Hz repetition rate with excellent beam quality in a diode-pumped Yb:YAG MOPA system[J]. Opt. Lett., 2008,33(10):1111-1113.
赵虎,延新杰,邓明发,等. 大能量电光调 Q 脉冲序列输出全固态Nd:YAG激光器[J]. 激光与红外, 2016,46(7):819-822. ZHAO H,YAN X J,DENG M F, et al..All solid-state large energy Nd:YAG laser with electro-optical Q -switched pulse sequence[J]. Laser Infrared, 2016,46(7):819-822. (in Chinese)
邹岩,姜梦华,惠勇凌,等. 425 mJ高光束质量特殊取向Nd:YAG激光放大器[J]. 中国激光, 2017,44(9):33-39. ZOU Y,JIANG M H,HUI Y L, et al.. 425 mJ high beam quality specific orientation Nd:YAG amplifier[J]. Chin. J.Lasers, 2017,44(9):33-39. (in Chinese)
李磊,王建磊,程小劲,等. 低温重复率Yb:YAG固体激光放大器[J]. 红外与激光工程, 2013,42(5):1170-1173. LI L,WNG J L,CHENG X J, et al.. Cryogenic Yb:YAG solid state pulsed laser amplifier[J]. Infrared Laser Eng.,2013,42(5):1170-1173. (in Chinese)
肖崇溧,万春明,凌铭. 传导冷却侧面抽运Nd:YAG脉冲激光器[J]. 光学学报, 2011,31(4):0414001-1-4. XIAO C L,WAN C M,LING M. Side-pumped Nd:YAG pulsed laser with conduction cooling[J]. Acta Opt. Sinica,2011,31(4):0414001-1-4. (in Chinese)
聂喻梅. 激光二极管侧面泵浦的Nd:YAG激光放大器[J]. 重庆理工大学学报(自然科学版), 2017,31(3):128-131. NIE Y M. LD side-pumped Nd:YAG laser amplifier[J]. J. Chongqing Univ. Technol. (Nat. Sci.), 2017,31(3):128-131. (in Chinese)
李强,姜梦华,雷訇,等. 工业用大功率固体激光加工系统[J]. 中国激光, 2008,35(11):1847-1852. LI Q,JIANG M H,LEI H, et al.. High-power laser processing system for industry application[J]. Chin. J. Lasers, 2008,35(11):1847-1852. (in Chinese)
HWANG D,RYU S G,MISRA N, et al.. Nanoscale laser processing and diagnostics[J]. Appl. Phys. A, 2009,96(2):289-306.
董剑,刘学胜,司汉英,等. 350 mJ LD侧面抽运Nd:YAG无水冷调 Q 激光器[J]. 中国激光, 2016,43(11):1101005-1-7. DONG J,LIU X S,SI H Y, et al.. 350 mJ LD side-pumped Q -switched Nd:YAG laser without water cooling[J]. Chin. J. Laser, 2016,43(11):1101005-1-7. (in Chinese)
DONG J,LIU X S,PENG C, et al.. High power diode-side-pumped Q -switched Nd:YAG solid-state laser with a thermoelectric[J]. Appl. Sci., 2015,5:1837-1845.
QIU J,TANG X X,FAN Z W, et al.. 200 Hz repetition frequency joule-level high beam quality Nd:YAG nanosecond laser[J]. Opt. Commun., 2016,368:68-72.
SUN W J,ZHANG Q P,LIU Z J, et al.. An efficient 1103 nm Nd:YAG/BaWO4 Raman laser[J]. Laser Phys. Lett., 2011,8(7):512-515.
FUJIKAWA S,FURUTA K,YASUI K. 28% electrical-efficiency operation of a diode-side-pumped Nd:YAG rod laser[J]. Opt.Lett., 2001,26(9):602-604.
OSTERMEYER M,KAPPE P,MENZEL R, et al.. Diode-pumped Nd:YAG master oscillator power amplifier with high pulse energy,excellent beam quality,and frequency-stabilized master oscillator as a basis for a next-generation lidarsystem[J]. Appl. Opt., 2005,44(4):582-590.
STYSLEY P R,POULIOS D,COYLE D B, et al.. Highly efficient dual head 100 mJ TEM00 Nd:YAG oscillator[J]. Opt. Laser Technol., 2008,40(3):435-440.
XU Y T,XU J L,GUO Y D, et al.. Compact high-efficiency 100-W-level diode-side-pumped Nd:YAG laser with linearly polarized TEM00 mode output[J]. Appl. Opt., 2010,49(24):4576-4580.
伊肖静,杨超,陈檬,等. 高效LD侧面泵浦腔外倍频绿光激光器[J]. 量子光学学报, 2012,18(2):217-222. YI X J,YANG C,CHEN M, et al.. Efficient diode-side-pumped extra-cavity-doubled green laser[J]. Acta Sinica Quant. Opt., 2012,18(2):217-222. (in Chinese)
WANG Y T,LI W J,PAN L L, et al.. Optimization of concentration and length of laser medium in diode-end-pumped solid-state lasers considering energy-transfer-upconversion effects[J]. Optik, 2013,124(13):1445-1449.
刘喜斌,丁卫平. 激光二极管泵浦全固体激光器(DPSSL)的发展与应用[J]. 湖南理工学院学报(自然科学版), 2005,18(3):49-50. LIU X B,DING W P. Development and application of diode-pumped all-solid-state laser[J]. J. Hunan Inst. Sci. Technol. (Nat. Sci.), 2005,18(3):49-50. (in Chinese)
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