Large-mode-area Multicore Fiber Amplifier at 1070 nm

Ji, Junyuan; Sidharthan, Raghuraman; Huang, Xin; Zang, Jichao; Ho, Daryl; Zhou, Yanyan; Lai, W. J.; Benudiz, Yehuda; Ami, Udi Ben; Ishaaya, Amiel A.; Yoo, Seongwoo

doi:10.1109/oecc.2018.8730123

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Coherent Beam Combining (Cbc)1

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2022

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“…Here, the in-phase supermode is favored by seeding with an appropriately expanded Gaussian beam as demonstrated before in [186]. The resulting central lobe contained 53% of the far-field power and had an M 2 of 1.3 and 1.6 along the two axis [187]. With a similar fiber in an oscillator setup, 115 W with 61% slope efficiency was achieved.…”

Section: Coherent Beam Combining (Cbc)mentioning

confidence: 91%

High-power, high-brightness solid-state laser architectures and their characteristics

et al. 2022

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The development of high-power diode lasers enabled new solid-state laser concepts such as thin-disk, fiber, and Innoslab lasers based on trivalent ytterbium as the laser-active ion, which resulted in a tremendous increase in the efficiency and beam quality of cw lasers compared to previously used lamp-pumped rod or slab lasers and the realization of ultrafast lasers with several 100 W or even kilowatts of average power. In addition to their beneficial thermo-optical properties, these architectures offer characteristic benefits making them especially suitable to obtain dedicated laser properties. This review article comprises milestone developments, characteristic challenges, and benefits, and summarizes the state of the art of high-power solid-state lasers with the focus on ultrafast lasers.

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Section: Coherent Beam Combining (Cbc)mentioning

confidence: 91%