Research Article

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.
868767.fig.008a
(a)
868767.fig.008b
(b)