Photoelectron spectroscopy of 3s3p doubly excited helium dressed with strong near-infrared laser fields

Mizuho Fushitani, Chien-Nan Liu, Yuki Ono +9

We report time-resolved photoelectron spectroscopy of the $3s3p$ doubly excited states of helium dressed by an intense near-infrared (NIR) laser field. Using synchronized XUV free-…