材料科学
光子晶体光纤
拉曼光谱
光学
拉曼散射
光纤
芯(光纤)
光电子学
光子晶体
纤维
衰减
相干反斯托克斯拉曼光谱
波长
物理
复合材料
作者
S. O. Konorov,Christopher J. Addison,H. Georg Schulze,Robin F. B. Turner,Michael W. Blades
出处
期刊:Optics Letters
[The Optical Society]
日期:2006-05-25
卷期号:31 (12): 1911-1911
被引量:106
摘要
We have implemented a new Raman fiber-optic probe design based on a hollow-core photonic-crystal excitation fiber surrounded by silica-core collection fibers. The photonic-crystal fiber offers low attenuation at the pump radiation wavelength, mechanical flexibility, high radiation stability, and low background noise. Because the excitation beam is transmitted through air inside the hollow-core fiber, silica Raman scattering is much reduced, improving the quality of the spectra obtained using probes of this design. Preliminary results show that the new probe design decreases the Raman background from the silica by approximately an order of magnitude compared to solid-core silica Raman probes.
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