Passively Q-switched 25 MW peak power doughnut mode laser using Nd:YAG ceramic microchip

Hwan Hong Lim; Takunori Taira

Presentation information

Oral presentation

3 Optics and Photonics » 3.5 Laser system and materials

[10p-W834-1~14] 3.5 Laser system and materials

Sun. Mar 10, 2019 1:15 PM - 5:00 PM W834 (W834)

Masaki Tokurakawa(UEC), Hiroaki Furuse(Kitami Inst. of Tech.)

2:30 PM - 2:45 PM

▲ [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)

Keywords: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.