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July 29, 2026High Power Laser Science and EngineeringOpen Access

Achieving 8-kW Single-Mode Output in Low-NA Fibers via Bend-Optimized High-Loss TMI Suppression

M. Cui Haobo Li Fan Wang Chongwei Wang Lei Zhang Yang Liu Hu Xiao Meng Wang Zilun Chen Baolai Yang Pengfei Ma Zefeng Wang Lili Hu Jinbao Chen

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Key Points

The research aims to achieve a high output power of 8-kW in low-NA fibers using bend-optimized designs.
Utilized bend-optimized technology to minimize transmission losses.
Employed high-loss techniques to suppress transverse mode interference (TMI).
Conducted performance testing of fibers to evaluate output power capabilities.
Achieved a single-mode output power of 8-kW under specified conditions.
Demonstrated significant reduction in TMI effects compared to standard fibers.
Resulted in improved efficiency and performance in high-energy applications.

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Implication

Assesses high-output performance in low-NA fibers, indicating efficient energy use.

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Cite This Study

Cui et al. (2026) studied this question.

synapsesocial.com/papers/6a6c479e747664a1aa73d382 https://doi.org/10.1017/hpl.2026.10162

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