Passive Q-switching of Yb bulk lasers by a graphene saturable absorber

被引：19

作者：

Loiko, P. A. ^{[1
,2
]}

Serres, J. M. ^{[1
]}

Mateos, X. ^{[1
,3
]}

Liu, J. ^{[4
]}

Zhang, H. ^{[5
,6
]}

Yasukevich, A. S. ^{[2
]}

Yumashev, K. V. ^{[2
]}

Petrov, V. ^{[3
]}

Griebner, U. ^{[3
]}

Aguilo, M. ^{[1
]}

Diaz, F. ^{[1
]}

机构：

[1] Univ Rovira & Virgili, Fis & Cristallog Mat & Nanomat FiCMA FiCNA, Campus Sescelades,C Marcelli Domingo S-N, E-43007 Tarragona, Spain

[2] Belarusian Natl Tech Univ, Ctr Opt Mat & Technol, 65-17 Nezavisimosti Ave, Minsk 220013, BELARUS

[3] Max Born Inst Nonlinear Opt & Short Pulse Spect, 2A Max Born Str, D-12489 Berlin, Germany

[4] Qingdao Univ, Coll Phys, 308 Ning Xia Rd, Qingdao 266071, Peoples R China

[5] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[6] Shandong Univ, Inst Crystal Mat, Jinan 250100, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2016年 / 122卷 / 04期

关键词：

YB-KLU(WO4)(2) LASER; CONTINUOUS-WAVE; OPERATION; CRYSTAL; GDVO4; YVO4; CUT;

D O I：

10.1007/s00340-016-6384-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Compact Yb:KLu(WO4)(2) and Yb: LuVO4 lasers diode-pumped at 978 nm are passively Q-switched by a single-layer graphene saturable absorber. The Yb:KLu(WO4)(2) laser generated 165 ns/0.49 mu J pulses at 1030 nm with 170 mW average output power and 12 % slope efficiency. With the Yb:LuVO4 laser, 152 ns/0.83 mu J pulses were achieved. The output power reached 300 mW at 1024 nm, and the slope efficiency was 10 %. Laser operation in a plano-plano cavity is achieved with both crystals with thermal lensing playing a key role in their performance. A model describing graphene Q-switched Yb lasers is developed. Our results indicate the potential of graphene for passive Q-switching of similar to 1 mu m bulk lasers.

引用

页数：8

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