Experimental Study on Pulsed Pump Characteristics of Fiber Laser

YAN Jie; FU Yan-feng; WANG Kun; LI Da-hua; LIU Peng; LUO Biao

doi:10.13756/j.gtxyj.2018.06.010

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Experimental Study on Pulsed Pump Characteristics of Fiber Laser

- Experimental Study on Pulsed Pump Characteristics of Fiber Laser
- Study on Optical communication Issue 6, Pages: 62-65(2018)
- 作者机构：
  
  1. 武汉邮电科学研究院
  2. 武汉光迅科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.06.010
  CLC： TN248
- Published：2018，
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[1]严杰,傅焰峰,王锟,李大华,刘鹏,罗飚.光纤激光器脉冲泵浦特性实验研究[J].光通信研究,2018(06):62-65.

YAN Jie, FU Yan-feng, WANG Kun, et al. Experimental Study on Pulsed Pump Characteristics of Fiber Laser. [J]. (6):62-65(2018)
[1]严杰,傅焰峰,王锟,李大华,刘鹏,罗飚.光纤激光器脉冲泵浦特性实验研究[J].光通信研究,2018(06):62-65. DOI： 10.13756/j.gtxyj.2018.06.010.

YAN Jie, FU Yan-feng, WANG Kun, et al. Experimental Study on Pulsed Pump Characteristics of Fiber Laser. [J]. (6):62-65(2018) DOI： 10.13756/j.gtxyj.2018.06.010.

摘要

脉冲光纤激光器系统产生的放大自发辐射（ASE）是制约其峰值功率的重要因素

而脉冲泵浦是抑制脉冲光纤激光器脉冲自发辐射的有效方法。文章对掺镱双包层光纤放大器的脉冲泵浦特性进行了研究

设计了一种由信号源、隔离器、放大级和滤波器组成的实验光路。对于脉冲泵浦

放大器设计中需要确定的最主要因素是泵浦功率和泵浦脉宽

文章研究了单脉冲能量、ASE功率与泵浦功率以及泵浦脉宽之间的关系

所得结论对脉冲泵浦光纤放大器的设计具有一定的参考价值。

Abstract

Amplified Spontaneous Emission（ASE）produced by pulsed fiber laser system is an important factor restricting the peak power.Pulsed pump is an effective method to suppress the ASE among the pulses of pulsed fiber lasers.The pulse pumping characteristics of Yb doped double clad fiber amplifier are experimentally studied in this paper.An experimental model consisting of a signal source

an isolator

an amplifier stage and a filter is designed.For the pulsed pump

the pump power and pump duration are two most important factors

which are required to be determined during amplifier design.In this paper

the relationship between pulse energy and ASE with pump power and duration is studied.The conclusions are valuable for the design of pulsed pump fiber amplifier.

关键词

光纤激光器脉冲泵浦放大自发辐射功率

Keywords

fiber laserpulsed pumpASE power

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