[10p-W834-1~14] 3.5 レーザー装置・材料

▲ [10p-W834-6] Passively Q-switched 25 MW peak power doughnut mode laser using Nd:YAG ceramic microchip

〇Hwan Hong Lim¹、Takunori Taira^1,2 (1.IMS、2.RIKEN SPring-8)

キーワード：Doughnut mode, Unstable cavity, Microchip laser

We present 25 MW peak power doughnut mode laser based on a passively Q-switched monolithic Nd:YAG/Cr:YAG ceramic microchip laser with unstable cavity. The measured pulse energy and pulse width is 13.2 mJ and 520 ps, respectively.