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Kilowatt-Level 4 × 1 Fiber Combiner of Low Brightness Loss With a Square Core Output Fiber

We present the design and fabrication of a 4 × 1 fiber combiner with low brightness loss. The effective area ratio (AR) of light transmission was first introduced to estimate the brightness loss. A square core fiber was used as the output fiber of the fiber combiner to achieve a high AR. The adiabatic criterion for tapering multimode fibers was investigated to obtain the structure parameters required for the fabrication. We used an auxiliary fiber of appropriate size to achieve a regular squared fiber bundle and improve bundle cutting and splicing quality. The fiber combiner yielded a high average power transmission efficiency of 97.8% when the brightness ratio was 1.05. In addition, the output power of 1030 W was obtained by combining two LDs. This type of fiber combiner can produce multi-kilowatts laser by combining high power LDs or fiber lasers. And it can be flexibly applied in laser welding, laser cladding, and laser cleaning.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.7 April 1 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 2130 - 2135

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

FIBER LASERS
OPTICAL FIBER DEVICES
FIBER COMBINER

Info Detail Spesifik

DOI: 10.1109/JLT.2020.3045510

Pernyataan Tanggungjawab

Shuzhen Zou, Haijuan Yu, Jiexi Zuo, Shuang Xu, Chaoyu Ning, Pengfei Zhao, Chaojian He, Xuechun Lin

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