Compact passively Q-switched Nd:GGG laser with antimony telluride-graphene oxide as saturable absorber

•Few layers mixed Sb2Te3-GO saturable absorber for Q-switched laser is demonstrated.•The simply fabrication process and detailed of the parameters is described.•Compact passively Q-switched operation of Nd:GGG laser is reported. Saturable absorber (SA) based on antimony telluride (Sb2Te3)-graphene o...

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Bibliographic Details
Published in:Optics and laser technology 2018-09, Vol.105, p.41-44
Main Authors: Wang, Beibei, Song, Qi, Gao, Congcong, Wang, Guoju, Dou, Renqin, Sun, Guihua, Liu, Wenpeng, Zhang, Qingli, Yu, Haijuan, Wang, Wenjun, Zhang, Bingyuan
Format: Article
Language:English
Subjects:
Absorbers
Antimony
Antimony telluride
Antimony telluride-graphene oxide
Band gap
Graphene
Intermetallic compounds
Lasers
Mixed saturable absorber
Nd:GGG
Neodymium lasers
Passively Q-switched
Pulse duration
Q switched lasers
Semiconductors
Switching
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Summary:•Few layers mixed Sb2Te3-GO saturable absorber for Q-switched laser is demonstrated.•The simply fabrication process and detailed of the parameters is described.•Compact passively Q-switched operation of Nd:GGG laser is reported. Saturable absorber (SA) based on antimony telluride (Sb2Te3)-graphene oxide (GO) had been fabricated. We demonstrated a compact passively Q-switched Nd:GGG laser with the mixed Sb2Te3-GO SA. Stable Q-switching operation at a central wavelength of 1066 nm was performed. The shortest single pulse width of 237 ns with repetition rate of 72 kHz and the maximum output power for Q-switched operation of 408 mW was achieved under the pump power of 4.5 W, corresponding to the optical-to-optical conversion of 9.1%.
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2018.02.053