Generation of UV and blue light by using off-axis pumping for fluorescence lifetime spectroscopy

被引：2

作者：

Taccheo, S. ^{[1
]}

D'Andrea, C. ^{[2
]}

Bassi, A. ^{[2
]}

Cubeddu, R. ^{[2
]}

Schuster, K. ^{[3
]}

Kobelke, J. ^{[3
]}

Morl, K. ^{[3
]}

Soria-Huguet, S. ^{[4
]}

Conti, G. Nunzi ^{[4
]}

Righini, G. C. ^{[4
]}

机构：

[1] Swansea Univ, Coll Engn, Swansea, W Glam, Wales

[2] Politecn Milan, Dept Fisica, Milan, Italy

[3] IPHT, Jena, Germany

[4] CNR, Ist Fisica Applicat, IFAC, Florence, Italy

来源：

FRONTIERS IN ULTRAFAST OPTICS: BIOMEDICAL, SCIENTIFIC, AND INDUSTRIAL APPLICATIONS XI | 2011年 / 7925卷

关键词：

Ti:Sapphire laser; Fluorescence Lifetime Spectroscopy; Continuum generation; SUPERCONTINUUM GENERATION; DISPERSION;

D O I：

10.1117/12.872945

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We report on generation of blue light exploiting high-order mode propagation in a microstructured fiber pumped by a Ti:Sapphire close to the zero-dispersion wavelength of the first high-order mode. An new interesting regime was observed with axial offset pump. With 230 mW of incident pump power we generated over 3 mW in the 450-510 nm window achieving 50 mu W/nm power density. In a final round of measurements we were able to show generation of a peak at 350 nm. This complex regime has still to be fully investigated but we believe an optimized fiber design will allow to efficiently extend the operation of Ti: Sapphire laser to UV/blue wavelength region.

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页数：6

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