结合双包层掺镱光纤(YDCF)和主振荡功率放大(MOPA)技术，利用熔融拉锥的光纤侧面耦合器，设计和实验研究了全光纤结构的脉冲光纤放大器。

Using the side-pumped coupler made from fused tapered fiber, the Yb-doped double-cladding fiber (YDCF) master oscillation power amplification (MOPA) with all-fiber structure is experimentally studied.

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光纤耦合器是全光纤傅里叶变换光谱仪(FFTS)的关键元件。

Couplers are key components in an optical fiber Fourier transform spectrometer (FFTS).

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