An experimental study on ultrafast lamps for an ultraviolet solid state laser

Daniele Alderighi; Guido Toci; Matteo Vannini

doi:10.1117/12.633726

7 June 2005 An experimental study on ultrafast lamps for an ultraviolet solid state laser

Daniele Alderighi, Guido Toci, Matteo Vannini

Proceedings Volume 5850, Advanced Laser Technologies 2004; (2005) https://doi.org/10.1117/12.633726
Event: Advanced Laser Technologies 2004, 2004, Rome and Frascati, Italy

Abstract

In this work we present an accurate experimental study of Xenon filled flash-lamps developed to achieve a fast submicrosecond light pulse with high emission in the ultraviolet (UV) spectral range. This study has been initiated to obtain an efficient pump for solid state lasers with Ce³⁺ activated crystal as active medium. For Ce³⁺ doped fluorides the absorption bands lie in the UV spectrum, in the region between 248 and 288nm. Due to the very short lifetime (-4Ons) of the upper level ofthe laser transition (5d->4f), Cerium activated hosts must be pumped with a fast rising light pulse. To our best knowledge, no direct ultraviolet laser action from a Ce³⁺ activated host with incoherent pumping has been reported. To achieve a threshold population inversion, an unusually fast lamp pulse is required making necessary the development of a lamp system opposite to what it is usually required in terms of duration and stability. We present here a detailed characterization of the lamp and ofthe discharge circuit parameters. Furthermore we discuss the opportunity to use an excimer mixture or a Silicon-Xenon based gas mixture to optimize the spectral coupling of lamp emission to the active medium adsorption.

Citation Download Citation

Daniele Alderighi, Guido Toci, and Matteo Vannini "An experimental study on ultrafast lamps for an ultraviolet solid state laser", Proc. SPIE 5850, Advanced Laser Technologies 2004, (7 June 2005); https://doi.org/10.1117/12.633726

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