Efficient frequency doubling of a 49-core Ytterbium-doped, ns-class fiber laser

Bahri, MehranMehranBahriJauregui Misas, CesarCesarJauregui MisasKlenke, Hans ArnoHans ArnoKlenkeNold, JohannesJohannesNoldHaarlammert, NicolettaNicolettaHaarlammertSchreiber, ThomasThomasSchreiberLimpert, JensJensLimpert2025-02-182025-02-182024https://publica.fraunhofer.de/handle/publica/4840492-s2.0-85216339359Second harmonic generation at 515-nm with 57% conversion efficiency utilizing an Ytterbium-doped, 49-core, fiber laser resulted in 18-mJ energy at 1.5 kHz. Further energy scaling as well as THG will be presented at the conference.enfalseEfficient frequency doubling of a 49-core Ytterbium-doped, ns-class fiber laserconference paper