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首页> 外文期刊>Optics Letters >Modeling the distributed gain of single- (1050 or 1410 nm) and dual-wavelength- (800+1050 nm or 800+1410 nm) pumped thulium-doped fiber amplifiers
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Modeling the distributed gain of single- (1050 or 1410 nm) and dual-wavelength- (800+1050 nm or 800+1410 nm) pumped thulium-doped fiber amplifiers

机译:模拟单波长(1050或1410 nm)和双波长(800 + 1050 nm或800 + 1410 nm)泵浦掺th光纤放大器的分布式增益

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摘要

The distributed gain of single- and dual-wavelength-pumped thulium-doped fiber amplifiers is modeled. The excellent agreement between the model and coherent optical frequency domain reflectometry measurements enables us to estimate intrinsic loss, branching ratios of fluorescence originating from the H-3(4) level, and cross sections of upconversion pumping at 1050 and 1410 nm for the Tm3+ ions in the fiber. With the branching ratios obtained it is possible to describe induced signal absorption when pumping at 800 nm. (C) 2004 Optical Society of America.
机译:对单波长和双波长泵浦掺th光纤放大器的分布式增益进行了建模。该模型与相干光频域反射法测量结果之间的出色一致性使我们能够估算固有损耗,源自H-3(4)的荧光的分支比以及Tm3 +离子在1050和1410 nm处的上转换泵浦截面在纤维中。利用获得的分支比,可以描述在800 nm泵浦时的感应信号吸收。 (C)2004年美国眼镜学会。

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