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Highly efficient continuous-wave intracavity frequency-doubled Nd:YVO4-LBO laser at 457 nm under diode pumping into the emitting level 4F3/2
被引:24
作者:
Lue, Y. F.
[1
]
Zhang, X. H.
[1
]
Yin, X. D.
[2
]
Xia, J.
[1
]
Zhang, A. F.
[3
]
Lin, J. Q.
[1
]
机构:
[1] Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Peoples R China
[2] Jilin Junkun Optoelect Co Ltd, Changchun 130012, Peoples R China
[3] Xian Inst Appl Opt, Lab Infointegrat Technol, Xian 710065, Peoples R China
来源:
APPLIED PHYSICS B-LASERS AND OPTICS
|
2010年
/
99卷
/
1-2期
关键词:
ND-YAG LASER;
THIN-DISK LASERS;
BLUE LASER;
OUTPUT POWER;
EMISSION;
OPERATION;
CRYSTALS;
NDGDVO4;
GENERATION;
ND-GDVO4;
D O I:
10.1007/s00340-009-3768-5
中图分类号:
O43 [光学];
学科分类号:
070207 ;
0803 ;
摘要:
The continuous-wave high efficiency laser emission of Nd:YVO4 at the fundamental wavelength of 914 nm and its 457 nm second harmonic obtained by intracavity frequency doubling with an LBO nonlinear crystal is investigated under pumping by diode laser at 880 nm into emitting level F-4(3/2). 6.5 W at 457 nm with M (2)=1.8 was obtained from a 5-mm-thick 0.4 at.% Nd:YVO4 laser medium and a 15-mm-long LBO nonlinear crystal in a Z-type cavity for 18.6 W absorbed pump power. An optical-to-optical efficiency with respect to the absorbed pump power was 0.35. Comparative results obtained for the pump with diode laser at 808 nm, into the highly-absorbing level F-4(5/2), are given in order to prove the advantages of the 880 nm wavelength pumping.
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页码:115 / 119
页数:5
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