All-fiber linearly polarized laser oscillator by fiber coiling loss control

doi:10.1088/1674-1056/27/4/044201

中国物理B ›› 2018, Vol. 27 ›› Issue (4): 44201-044201.doi: 10.1088/1674-1056/27/4/044201

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

All-fiber linearly polarized laser oscillator by fiber coiling loss control

Yu-Sheng Huang(黄昱升), Qi-Rong Xiao(肖起榕), Dan Li(李丹), Ze-Hui Wang(王泽晖), Xue-Jiao Wang(王雪娇), Ping Yan(闫平), Ma-Li Gong(巩马理)

Center for Photonics and Electronics, Department of Precision Instrument, Tsinghua University, Beijing 100084, China

收稿日期:2017-11-07 修回日期:2017-11-19 出版日期:2018-04-05 发布日期:2018-04-05
通讯作者: Qi-Rong Xiao E-mail:xiaoqirong@mail.tsinghua.edu.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB1104500), the National Natural Science Foundation of China (Grant No. 61675114), and theTsinghua University (THU) Initiative Scientific Research Program, China (Grant No. 20151080709).

All-fiber linearly polarized laser oscillator by fiber coiling loss control

Yu-Sheng Huang(黄昱升), Qi-Rong Xiao(肖起榕), Dan Li(李丹), Ze-Hui Wang(王泽晖), Xue-Jiao Wang(王雪娇), Ping Yan(闫平), Ma-Li Gong(巩马理)

Center for Photonics and Electronics, Department of Precision Instrument, Tsinghua University, Beijing 100084, China

Received:2017-11-07 Revised:2017-11-19 Online:2018-04-05 Published:2018-04-05
Contact: Qi-Rong Xiao E-mail:xiaoqirong@mail.tsinghua.edu.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB1104500), the National Natural Science Foundation of China (Grant No. 61675114), and theTsinghua University (THU) Initiative Scientific Research Program, China (Grant No. 20151080709).

摘要/Abstract

摘要： In this paper, we demonstrate an all-fiber linearly polarized fiber laser oscillator. The single polarization of the oscillator is achieved through the careful designing of the active fiber coiling. The relationship between fiber coiling diameter and polarization extinction ratio and optical efficiency is studied, whose results lead to an optimized system. The thermal management of the oscillator is also refined, which allows the oscillator to reach a maximum output power of 44.1 W with an optical-to-optical efficiency of 57.9%. A high average polarization extinction ratio of 21.6 dB is achieved during a 2-hour stability test. The oscillator also owns a narrow 3-dB bandwidth of 0.1 nm, as well as near-diffraction-limit beam quality of M²~1.14.

关键词: fiber laser oscillator, linearly polarized, all-fiber

Abstract: In this paper, we demonstrate an all-fiber linearly polarized fiber laser oscillator. The single polarization of the oscillator is achieved through the careful designing of the active fiber coiling. The relationship between fiber coiling diameter and polarization extinction ratio and optical efficiency is studied, whose results lead to an optimized system. The thermal management of the oscillator is also refined, which allows the oscillator to reach a maximum output power of 44.1 W with an optical-to-optical efficiency of 57.9%. A high average polarization extinction ratio of 21.6 dB is achieved during a 2-hour stability test. The oscillator also owns a narrow 3-dB bandwidth of 0.1 nm, as well as near-diffraction-limit beam quality of M²~1.14.

Key words: fiber laser oscillator, linearly polarized, all-fiber

中图分类号: (Fiber lasers)

42.55.Wd

42.25.Ja (Polarization)

黄昱升, 肖起榕, 李丹, 王泽晖, 王雪娇, 闫平, 巩马理. All-fiber linearly polarized laser oscillator by fiber coiling loss control[J]. 中国物理B, 2018, 27(4): 44201-044201.

Yu-Sheng Huang(黄昱升), Qi-Rong Xiao(肖起榕), Dan Li(李丹), Ze-Hui Wang(王泽晖), Xue-Jiao Wang(王雪娇), Ping Yan(闫平), Ma-Li Gong(巩马理). All-fiber linearly polarized laser oscillator by fiber coiling loss control[J]. Chin. Phys. B, 2018, 27(4): 44201-044201.

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All-fiber linearly polarized laser oscillator by fiber coiling loss control

All-fiber linearly polarized laser oscillator by fiber coiling loss control

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