Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shunsuke Kono and Tomoyuki Oki and Masaru Kuramoto,Intensity autocorrelation measurement of 400 nm picosecond optical pulses from a GaInN mode-locked semiconductor laser diode using surface second harmonic generation of β-BaB2O4 crystal,Applied physics express : APEX,18820778,Tokyo : Japan Society of Applied Physics,2010-12,3,12,122701,https://cir.nii.ac.jp/crid/1522825130670161664,https://doi.org/10.1143/apex.3.122701