PERC Solar Cell using YSL Photonics' femtosecond fiber laser.
Using YSL Photonics supercontinuum source(supercontinuum laser, white light source, white light laser)Paper Details:Minimising efficiency roll-off in high-brightness perovskite light-emitting diodesNA...
Cutting surface comparison:fs-green(~5um)ps-UV(~50um)Cross section conparison:fs-green(less black)ps-UV(more black)