Applicability of Graphene Flakes as Saturable Absorber for Bulk Laser Mode-Locking
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概要
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We investigated the applicability of graphene flakes as a potential mode-locking device for bulk solid-state lasers. Graphene-flake-based saturable absorbers fabricated by a relatively simple process with commercially available graphene flakes exhibit suitable saturable absorption and ultrafast nonlinear optical response. We achieved stable 97-fs pulses from a mode-locked Cr:forsterite laser near 1.25 μm, delivering an average output power of up to 137 mW at 75.4 MHz. This work proposes an efficient parameter-engineering method for the graphene-based absorbers and is the first to demonstrate the use of graphene flakes for a mode-locked femtosecond bulk solid-state laser.
- 2013-03-25
著者
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Choi Sun
Department Of Biomedical Laboratory Science College Of Biomedical Science And Engineering Inje Unive
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Jung Bo
Department Of Ophthalmology School Of Medicine Kyungpook National University
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ROTERMUND Fabian
Department of Molecular Science & Technology, Ajou University
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Yeom Dong-il
Department Of Physics And Division Of Energy Systems Research Ajou University
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KIM Jun
Department of Advanced Material Science and Engineering, Yonsei University
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Choi Sun
Department of Physics and Division of Energy Systems Research, Ajou University, Suwon, Gyeonggi 443-749, Republic of Korea
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Rotermund Fabian
Department of Physics and Division of Energy Systems Research, Ajou University, Suwon, Gyeonggi 443-749, Republic of Korea
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Jung Bo
Department of Physics and Division of Energy Systems Research, Ajou University, Suwon, Gyeonggi 443-749, Republic of Korea
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