Photosensitivity of the Er/Yb-Codoped Schott IOG1 Phosphate Glass Using 248 nm, Femtosecond, and Picosecond Laser Radiation
Figure 8
Knoop
hardness measurements in pristine and exposed IOG1 phosphate glass versus (a)
energy density and (b) energy dose for exposures using 5-picosecond, 500-femtosecond,
and 120-femtosecond 248 nm laser radiation. F: energy density; τ: pulse duration; N: number
of pulses.