Ceramic is a rigid material consisting of an infinite three- dimensional network of sintered non-oriented inorganic, non-metallic crystalline grains, which are generally non- transparent. If the inner light scatter is...Ceramic is a rigid material consisting of an infinite three- dimensional network of sintered non-oriented inorganic, non-metallic crystalline grains, which are generally non- transparent. If the inner light scatter is eliminated, cera- mics can become transparent or optical ceramics [1,2]. With great potentials in optical windows, sensors and lasers, optical ceramics have received great attentions since 1950s [1]. As the gain medium of solid-state lasers, optical ceramics can combine the advantages of large size, high transparency, high mechanical and thermal stabi- lities, and ease for dispersing the luminous atoms and groups [3]. For comparison, single-crystal gain mediums can suffer high power density but are difficult to grow into large size, while glasses and polymers have reversed characteristics.展开更多
基金supported by the National Natural Science Foundation of China (91622109,21371181,and 21473260)
文摘Ceramic is a rigid material consisting of an infinite three- dimensional network of sintered non-oriented inorganic, non-metallic crystalline grains, which are generally non- transparent. If the inner light scatter is eliminated, cera- mics can become transparent or optical ceramics [1,2]. With great potentials in optical windows, sensors and lasers, optical ceramics have received great attentions since 1950s [1]. As the gain medium of solid-state lasers, optical ceramics can combine the advantages of large size, high transparency, high mechanical and thermal stabi- lities, and ease for dispersing the luminous atoms and groups [3]. For comparison, single-crystal gain mediums can suffer high power density but are difficult to grow into large size, while glasses and polymers have reversed characteristics.
