期刊
OPTICS LETTERS
卷 47, 期 22, 页码 5925-5928出版社
Optica Publishing Group
DOI: 10.1364/OL.467557
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类别
资金
- National Natural Science Foundation of China
- [12174022]
A 7-tube single-ring hollow-core anti-resonant fiber (SR-ARF) with a record low transmission loss of 4.3 dB/km @1080 nm is reported. It has a large core diameter and a wide low-loss transmission window, and exhibits excellent beam quality after 10-m-long transmission.
We report a 7-tube single-ring hollow-core anti-resonant fiber (SR-ARF) with a record low transmission loss of 4.3 dB/km @1080 nm, which is almost half of the current lowest loss record of an SR-ARF (7.7 dB/km @750 nm). The 7-tube SR-ARF has a large core diameter of 43 mu m and a wide low-loss transmission window exceeding 270 nm for the 3-dB bandwidth. Moreover, it exhibits an excellent beam quality with an M2 factor of 1.05 after 10-m-long transmission. The robust single-mode operation, ultralow loss, and wide band-width make the fiber an ideal candidate for short-distance Yb and Nd:YAG high-power laser delivery.(c) 2022 Optica Publishing Group
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