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Opt Express. 2005 Nov 28;13(24):9812-21.

All-solid-state lock-in imaging for wide-field fluorescence lifetime sensing.


Fluorescence Lifetime Imaging Microscopy (FLIM) is a powerful technique that is increasingly being used in the life sciences during the past decades. However, a broader application of FLIM requires more cost-effective and user-friendly solutions. We demonstrate the use of a simple CCD/CMOS lock-in imager for fluorescence lifetime detection. The SwissRanger SR-2 time-of-flight detector, originally developed for 3D vision, embeds all the functionalities required for FLIM in a compact system. The further development of this technology and its combination with light-emitting-and laser diodes could drive a wider spreading of thuse of FLIM including high-throughput applications.

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