Journal
LASER PHYSICS LETTERS
Volume 10, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1612-2011/10/5/055801
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Funding
- National Natural Science Foundation of China [NSFC 61078035, 61177045]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Postgraduates Research Innovation Program of Jiangsu Normal University [2011YLA004]
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Efficient passive Q-switching operation of a 1532 nm in-band pumped polycrystalline Er:YAG ceramic 1645 nm laser is demonstrated in this work. Graphene deposited on a quartz substrate was used as the saturable absorber for the Q-switching operation. Under an incident pump power of 4.14 W, an average output power of 528 mW was obtained, with the pulse energy and pulse repetition rate being 7.08 mu J and 74.6 kHz, respectively.
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