Chinese Journal of Lasers, Volume. 33, Issue suppl, 306(2006)

Self-Q-Switched and Passively Mode-Locked Laser of Laser Diode-Pumped Yb3+,Na+:CaF2 Crystal

[in Chinese]1、*, [in Chinese]1, [in Chinese]1, [in Chinese]2, [in Chinese]2, [in Chinese]2, [in Chinese]1, and [in Chinese]1
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  • 1[in Chinese]
  • 2[in Chinese]
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    Laser performances of a new Na+,Yb3+:CaF2 crystal under laser diode pumping were demonstrated. This crystal only operated in the self-Q-switched scheme, with laser wavelength of 1.05 μm, and minimum pump absorbed power of 30 mW corresponding to power density of 0.60 kW/cm2. On 5 W incident power, the repetition rate and width of the self-Q-switched pulses reached 28 kHz and 1.5 μs, respectively. By using a semiconductor saturable absorber mirror (SESAM), simultaneous transform-limited 1 ps passively mode-locked pulses, with the average output power of one laser beam 180 mW and the repetition rate of 183 MHz, were obtained under the self-Q-switched envelope induced by the laser medium. The corresponding pulse peak power arrived at 27 kW, indicating the promising application of Yb3+,Na+-codoped CaF2 crystals in achieving ultra-short pulses and high pulse peak power.

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    [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Self-Q-Switched and Passively Mode-Locked Laser of Laser Diode-Pumped Yb3+,Na+:CaF2 Crystal[J]. Chinese Journal of Lasers, 2006, 33(suppl): 306

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    Paper Information

    Category: materials and thin films

    Received: --

    Accepted: --

    Published Online: Apr. 21, 2006

    The Author Email: (su_lb@163.com)

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