Development of Ceramic Laser Element

Practical laser generation from polycrystalline ceramic materials has become available furthermore, it is expected that ceramic laser technology will completely surpass the conventional glass and single crystal laser technologies in the future. The newly fabricated ceramics have almost an ideal and perfect microstructure. Optical characterizations by laser showed that the scatter loss is almost zero for ceramic gain media. In the result, high optical quality ceramics showed high resistance to laser damage. Laser performance with very close to theoretical quantum efficiency was achieved from the developed high quality ceramic gain media, comparable to that of the Konoshima ceramics and commercial single crystal.