2 papers
physics.optics2026
Broadband gain characterization of Co:MgF for mid-infrared femtosecond pulse amplification
Natsuki Kanda, Kaito Nishimiya, Eiji J. Takahashi
The broadband gain characteristics of Co:MgF were investigated to assess its potential as a gain medium for ultrashort-pulse amplification around the 2 m spectral region. S…
physics.optics2026
Submicrometer focusing of isolated attosecond XUV pulses approaching 10 W/cm
Kotaro Imasaka, Dianhong Dong, Natsuki Kanda +6
We demonstrate submicrometer focusing of isolated attosecond pulses (IAPs) in the extreme ultraviolet (XUV) region using a custom ellipsoidal mirror. The obtained focal spot sizes…