Simulation study on highly efficient spectral beam combining of reflecting volume grating

Hao Liangning; Liu Hairong; Liu Deming; Yi Yingyan

doi:10.13756/j.gtxyj.2012.02.004

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Simulation study on highly efficient spectral beam combining of reflecting volume grating

- Simulation study on highly efficient spectral beam combining of reflecting volume grating
- Study on Optical communication Issue 2, Pages: 32-34(2012)
- 作者机构：
  
  华中科技大学光电子科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2012.02.004
  CLC： TN253
- Published：2012，
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[1]郝粮宁,刘海荣,刘德明,易迎彦.反射型体光栅高效频谱组束仿真研究[J].光通信研究,2012(02):32-34+44.

Hao Liangning, Liu Hairong, Liu Deming, et al. Simulation study on highly efficient spectral beam combining of reflecting volume grating. [J]. (2):32-34(2012)
[1]郝粮宁,刘海荣,刘德明,易迎彦.反射型体光栅高效频谱组束仿真研究[J].光通信研究,2012(02):32-34+44. DOI： 10.13756/j.gtxyj.2012.02.004.

Hao Liangning, Liu Hairong, Liu Deming, et al. Simulation study on highly efficient spectral beam combining of reflecting volume grating. [J]. (2):32-34(2012) DOI： 10.13756/j.gtxyj.2012.02.004.

摘要

文章建立了光纤激光频谱组束的体光栅参数优化模型。研究结果表明

随着体光栅空间频率和折射率调制量的增大

体光栅所允许的光束谱宽减小

光束发散角增大

得到空间频率和折射率调制量优化选择参数。文章还对所选取的体光栅参数进行频谱组束的效率进行了分析。研究表明

采用优化参数的体光栅的频谱组束效率可提高至95%以上。

Abstract

In this paper

we propose a volume grating parameter-optimized model for fiber laser spectral combining.Simulation results show that with the increase of the spatial frequency and refractive index modulation of the volume grating

the spectral width of the beam that it allows decreases and the beam divergence increases.On the basis of the proposed model

we optimize the spatial frequency and refractive index modulation and calculate and analyze the combining efficiency by using the optimized grating parameters.Our calculation shows that the efficiency is raised to over 95%.

关键词

频谱组束反射型体光栅光栅参数衍射效率

Keywords

spectral beam combiningreflecting volume gratinggrating parameterdiffraction efficiency

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