17 February 2010 The supercontinuum laser as a flexible source for quasi-steady state and time resolved fluorescence studies
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Abstract
Commercial Fluorescence Lifetime Spectrometers have long suffered from the lack of a simple, compact and relatively inexpensive broad spectral band light source that can be flexibly employed for both quasi-steady state and time resolved measurements (using Time Correlated Single Photon Counting [TCSPC]). This paper reports the integration of an optically pumped photonic crystal fibre, supercontinuum source1 (Fianium model SC400PP) as a light source in Fluorescence Lifetime Spectrometers (Edinburgh Instruments FLS920 and Lifespec II), with single photon counting detectors (micro-channel plate photomultiplier and a near-infrared photomultiplier) covering the UV to NIR range. An innovative method of spectral selection of the supercontinuum source involving wedge interference filters is also discussed.
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Roger Fenske, Roger Fenske, Dirk U. Näther, Dirk U. Näther, Richard B. Dennis, Richard B. Dennis, S. Desmond Smith, S. Desmond Smith, } "The supercontinuum laser as a flexible source for quasi-steady state and time resolved fluorescence studies", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75800R (17 February 2010); doi: 10.1117/12.842672; https://doi.org/10.1117/12.842672
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