Jiantao Lü, Ting Fan, Guojie Chen. Temporal properties of random lasers under ultrashort pulse excitation[J]. Chinese Optics Letters, 2015, 13(8): 081407
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Fig. 1. Emission light intensity versus time with different surface-filling fraction. Inset, definition of delay time ΔT, emission pulse width τE, and peak intensity Ipeak. The filled region is the excitation pulse.