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A 1.4-kW Mode-Controllable Fiber Laser System

We demonstrated a mode-controllable fiber laser system with output power of 1.4 kW level. The system consists of a kilowatt-scale master oscillator power amplifier and an active feedback control system based on the stochastic parallel-gradient descent algorithm. We can convert the LP 01 and LP 11 modes by performing an extremum search for power in the bucket of the output beam. Under the same pump power, we obtain the mode conversion of LP 11 to LP 01 , and the efficiency is as high as 99.5%. The maximum output power of LP 11 and LP 01 mode are 1396 W and 1389 W, respectively, with corresponding slope efficiencies of 85.8% and 84.1%.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.8 April 15 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 2536 - 2541

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

HIGH POWER
AUTOMATIC ACTIVE MODE CONTROL
LARGE-MODE-AREA FIBER

Info Detail Spesifik

DOI: 10.1109/JLT.2021.3049603

Pernyataan Tanggungjawab

Yang You, Gang Bai, Xingxing Zou, Xuewen Li, MengQi Su, Hanbin Wang, Zhao Quan, Meizhong Liu, Jingpu Zhang, Qiurui Li, Hui Shen, Yunfeng Qi, Bing He, Jun Zhou

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