About UMETSU KEISUKE
About FURUSE HIROAKI
About YASUHARA RYO
About SONE HIROYASU
About KAWAMURA MIDORI
About HIRAGA KEIJIRO
About レーザー研究
About thermooptic effect
About near infrared radiation
About ceramics
About yttrium aluminum garnet
About translucency
About thermal lens effect
About YAG laser
About laser material
About thermal expansion coefficient
About optical property
About temperature dependence
About single crystal
About large diameter
About quality level
About high power laser
About near-infrared region
About Other optical effects
About 透光性
About YAG
About セラミックス
About 近赤外
About 光学特性