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arXiv physics/0703078physics.optics
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2 W/nm峰值功率全光纤超连续谱光源及其在周期极化非线性晶体表征中的应用

2W/nm Peak-power All-Fiber Supercontinuum Source and its Application to the Characterization of Periodically Poled Nonlinear Crystals

B. A. Cumberland, J. C. Travers, R. E. Kennedy, S. V. Popov, J. R. Taylor

摘要:

我们展示了一个均匀的高光谱亮度和峰值功率密度的全光纤超连续谱光源。该源由纳秒镱光纤激光器和最佳长度PCF组成,产生峰值功率密度为2 W/nm的连续谱,在590至1500 nm之间的光谱变化小于5 dB。每纳米峰值功率密度的瓦特水平使得能够使用这种源来表征非线性材料。该源的应用证明了几个周期性极化晶体的表征。

英文摘要:

We demonstrate a uniform high spectral brightness and peak power density all-fiber supercontinuum source. The source consists of a nanosecond Ytterbium fiber laser and an optimal length PCF producing a continuum with a peak power density of 2 W/nm and less than 5 dB of spectral variation between 590 to 1500 nm. The Watt level per nm peak power density enables the use of such sources for the characterization of nonlinear materials. Application of the source is demonstrated with the characterization of several periodically poled crystals.

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