[14a-K309-1~10] 3.4 Laser system and materials

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[14a-K309-9] High power femtosecond praseodymium-doped fluoride fiber amplifier at 1300nm

〇Tatsuki Yamada¹, Junya Takano¹, Takao Fuji¹ (1.Toyota Technological Institute)

Keywords:

fiber laser

One of the light sources for multiphoton microscopy is an ultrashort pulse laser at 1300 nm wavelength band. In this study, we constructed a fiber laser system with a dispersive wave source using a highly nonlinear fiber and a praseodymium-doped fiber amplifier (PDFA) to achieve high power 1300 nm femtosecond fiber laser by chirped-pulse amplification. We achieved an average output power of 1.33 W and a pulse width of 367 fs by amplifying with a three-stage PDFA.