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  • Title: Passively Q-switched Yb3+:NaY(WO4)2 laser with GaAs saturable absorber.
    Author: Lan R, Pan L, Utkin I, Ren Q, Zhang H, Wang Z, Fedosejevs R.
    Journal: Opt Express; 2010 Mar 01; 18(5):4000-5. PubMed ID: 20389414.
    Abstract:
    Passively Q-switched Yb(3+):NaY(WO(4))(2) lasers have been demonstrated using a GaAs saturable absorber. Under continuous wave pump mode, significant pulse shortening effects have been observed at high pump powers. At a pump power of 12 W, stable Q-switched output has been obtained with a pulse duration of 5 ns, pulse repetition rate of 83 kHz and a pulse to pulse timing jitter of less than 2%. With pulsed pump mode, much longer pulse duration and reduced pulse stability have been observed. It is proposed that the heating of GaAs may play an important role in the Q-switched operations under CW pump conditions.
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