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A passively Q-switched mode-locking of continuous wave diode-pumped Tm,Ho:YVO 4 laser by use of InGaAs/GaAs as a saturable absorber is reported for the first time as the author's know. The maximum Q-switched mode-locking output power was 210 mW at a wavelength of 2.05 μm with pulse repetition frequency of 16.32 kHz.
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Li et al. (2010) studied this question.
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