Journal
IEEE PHOTONICS JOURNAL
Volume 7, Issue 5, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2015.2476756
Keywords
Graphene; saturable absorber; Q-switched laser
Funding
- Spanish Government [MAT2011-29255-C02-02, MAT2013-47395-C4-4-R, TEC2014-55948-R]
- Generalitat de Catalunya [2014SGR1358]
- European Regional Development Fund
- European Social Fund
- state budget of the Czech Republic [HiLASE: CZ.1.05/2.1.00/01.0027, DPSSLasers: CZ.1.07/2.3.00/20.0143]
- Czech Science Foundation (GACR) [GA14-01660S, RVO 68407700]
- ICREA academia award
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We describe a compact Yb:YAG laser Q-switched by a graphene-based saturable absorber and pumped by a laser diode at 932 or 969 nm. The compact laser generates a maximum average output power value of 185 mW at 1032 nm with a slope efficiency value of 12%. The shortest duration of the Q-switched pulse achieved is 228 ns at a repetition frequency of 285 kHz. The maximum pulse energy amounts to 0.65 mu J.
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