Temporal characterization of femtosecond laser pulses using tunneling ionization in the UV, visible, and mid-IR ranges. - Cho, Wosik; Hwang, Sung In; Nam, Chang Hee; Bionta, Mina R.; Lassonde, Philippe; Schmidt, Bruno E.; Ibrahim, Heide; Légaré, François; Kim, Kyung Taec (Scientific Reports, 2019)