Photosensitivity of the Er/Yb-Codoped Schott IOG1 Phosphate Glass Using 248 nm, Femtosecond, and Picosecond Laser Radiation

<table>Knoop
hardness measurements for IOG1 phosphate glass exposed using 120-femtosecond,
248 nm and 10 nanoseconds, 193 nm laser radiation versus (a) the energy density; and (b) the accumulated energy density of
the exposure. </table>

Laser Chemistry

fig9

Figure 9

Figure 9: Photosensitivity of the Er/Yb-Codoped Schott IOG1 Phosphate Glass Using 248 nm, Femtosecond, and Picosecond Laser Radiation 