Abstract
We demonstrate a pulsed ring erbium-doped fiber laser based on graphene oxide (GO), employing a simplified Hummer's method to synthesize the GO via chemical oxidation of graphite flakes at room temperature. By dipping a fiber ferrule end face onto the GO suspension, GO is successfully coated onto the end face, making it a simple saturable absorption device. A stable Q-switched pulsed fiber laser is achieved with a low pump threshold of 9.5 mW at 980 nm. The pulse repetition rate ranges from 16.0 to 57.0 kHz. The pulse width and the pulse energy are studied and discussed.
Original language | English |
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Article number | 024208 |
Journal | Chinese Physics Letters |
Volume | 30 |
Issue number | 2 |
DOIs | |
Publication status | Published - Feb 2013 |
ASJC Scopus subject areas
- General Physics and Astronomy