The powerful picosecond master oscillator – power amplifier (MOPA) with double clad ytterbium doped tapered fiber as a buster amplifier has been demonstrated in the presented paper. The developed MOPA has 60ps pulses with 0.3mJ pulse energy and 5MW peak power.
Valery Filippov, Andrei Vorotynskii, Teppo Noronen, Regina Gumenyuk, Yuri Chamorovskii, and Konstantin Golant, "Picosecond MOPA with ytterbium doped tapered double clad fiber," Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100831H (Presented at SPIE LASE: February 02, 2017; Published: 7 March 2017); https://doi.org/10.1117/12.2252006.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon