| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Generation of a Sub-10fs Laser Pulse by a Ring Oscillator with a High Repetition Rate |
| ZHANG Qing, ZHAO Yan-Ying, WEI Zhi-Yi |
| Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 |
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| Cite this article: |
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ZHANG Qing, ZHAO Yan-Ying, WEI Zhi-Yi 2009 Chin. Phys. Lett. 26 044208 |
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Abstract A compact femtosecond Ti:sapphire ring oscillator composed of chirped mirrors is designed. By accurately optimizing the intra-cavity dispersion and the mode locking range of the ring configuration, we generate laser pulses as short as 7.7fs with a repetition rate as high as 745MHz. The spectrum spans from 660nm to 940nm and the average output power is 480mW under the cw pump laser of 7.5W.
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| Keywords:
42.55.Rz
42.60.Da
42.60.Fc
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Received: 25 August 2008
Published: 25 March 2009
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| PACS: |
42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.60.Fc
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(Modulation, tuning, and mode locking)
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