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Fluorescence lifetime imaging with a low-repetition-rate passively mode-locked diode-pumped Nd:YVO4 oscillator

Abstract : We report a wide-field f luorescence lifetime imaging microscope based on a low-repetition-rate (3.7-MHz) passively mode-locked diode-pumped laser source. This inexpensive and compact laser source operating in the visible and UV range can excite a wide range of f luorophores of biological interest. We demonstrate that the power of this laser source is highly sufficient for studying biological systems with low quantum yields (autofluorescence of tissues and stained living cells). The maximum measurable lifetime is also strongly increased with this laser source, as f luorescence intensity measurement can occur 250 ns after the excitation pulse
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https://hal-iogs.archives-ouvertes.fr/hal-00700746
Contributor : Marie-Laure Edwards <>
Submitted on : Wednesday, May 23, 2012 - 5:16:56 PM
Last modification on : Wednesday, September 16, 2020 - 5:37:39 PM
Long-term archiving on: : Thursday, December 15, 2016 - 8:43:45 AM

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Sandrine Leveque-Fort, Dimitris N. Papadopoulos, Sébastien Forget, François Balembois, Patrick Georges. Fluorescence lifetime imaging with a low-repetition-rate passively mode-locked diode-pumped Nd:YVO4 oscillator. Optics Letters, Optical Society of America, 2005, 30 (2), pp.168-170. ⟨hal-00700746⟩

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