脉冲飞秒激光器相关论文

2017-03-24 09:50 下载量：3

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Laser systems with Yb3+ ion doped active elements (yt terbium lasers) are in strong demand owing to their high efficiency and energy capabilities.1,2 Along with high-power cw ytterbium lasers, the pulsed laser systems are quite widespread, with femtosecond output pulses in particular. A powerful source of femtosecond visible light pulses with a central wavelength of 515 nm can be created on the basis of ytterbium laser radiation with wavelength of 1030 nm con verted to second harmonic. Such light pulses with the duration shorter than 20–30 fs and having energy of ∼(10–100)μJ may be widely used. For example, in biology, laser micromachining, parametric laser pumping, and so on. However,the duration of the output pulses of ytterbium laser systems which are designed on the master oscillator-amplifier scheme and operate in the (10−2–1) mJ energy range is longer than 200 fs.3,4 Therefore, nonlinear techniques are used to compress laser pulses down to 30 fs.

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瞬渺科技（香港）有限公司

金牌会员 | 第16年

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