Highly Transparent Yb-doped Ceramics and the Laser-diode-pumped Ceramic Lasers

We have been fabricating highly transparent ceramic laser materials. Yb-doped Y
3
Al
5
O
12
and rare-earth sesquioxide ceramics were developed as laser media. A tunable laser pumped with a 976-nm laser diode was demonstrated with the Yb:Y
2
O
3
ceramics.