Due to many advantages of compact structure, high efficiency, good beam quality, etc., diode-pumped all-solid-state passively Q-switched lasers have a bright future in military, industrial processing, medicine, and other fields. At present, the relevant reports on diode-pumped all-solid-state passively Q-switched lasers mainly focus on the characteristics of the period-1 dynamic state, while there are few reports on the characteristics of other nonlinear dynamic states. In this work, we experimentally investigated the dynamic characteristics of a diode-pumped all-solid-state passively Q-switched Nd:LaMgAl11O19 laser by using a semiconductor saturable absorber mirror. The experimental results show that, under different absorbed pump power and cavity loss, the laser can display various dynamic states such as period-1, period-2, period-4, period-5, period-7, and chaotic pulsing states. Through changing the cavity loss, the laser goes through period- 1, period-2, period-4 to chaos, or period-1, period-5, period-7 to chaos.
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