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Performance of kW Class Fiber Amplifiers Spanning a Broad Range of Wavelengths: 1028~1100nm

机译:宽波长范围:1028〜1100nm的kW级光纤放大器的性能

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We present results on the amplifier performance and characteristics of Yb-doped Single Mode fiber amplifiers spanning a broad range of wavelengths from 1028 nm to 1100 nm. Both PM and non-PM amplifiers are discussed, with emphasis on the use of polarization controllers in intrinsically non-PM amplifiers to obtain high Polarization Extinction Ratios (PER). In general, outside the 1064nm region, there has been relatively little discussion or work towards developing high power fiber amplifiers for operation at either 1030 nm or 1100 nm with narrow line-width and high brightness, primarily due to amplifier design and architecture issues related to strong re-absorption and amplified spontaneous emission. Here we address key fiber and amplifier design characteristics aimed at mitigating these issues while highlighting performance attributes and challenges for operation near either end of the above defined spectral range.
机译:我们介绍了掺Yb的单模光纤放大器的放大器性能和特性的结果,这些放大器的波长范围从1028 nm到1100 nm。讨论了PM和非PM放大器,重点是在本质上非PM放大器中使用偏振控制器来获得高偏振消光比(PER)。一般而言,在1064nm区域之外,对于开发可在1030 nm或1100 nm下工作,具有较窄线宽和高亮度的高功率光纤放大器的讨论或工作很少,这主要是由于与放大器相关的放大器设计和架构问题强烈的重吸收和放大的自发发射。在这里,我们着眼于缓解这些问题的关键光纤和放大器设计特征,同时着重强调性能属性和在上述定义频谱范围两端附近运行的挑战。

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