Optoelectronic circuit for detecting changes in fluorescence lifetime
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United States of America Patent
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Jan 6, 2004
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app pub date -
Oct 31, 2001
filing date -
Oct 31, 2000
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Abstract
A fluorescence average excited-state lifetime sensor and sensing method comprising a fluorescence excitation light source, light-directing apparatus directing light from the light source to a sample, light-receiving apparatus receiving fluorescence light generated by the sample, and a narrow-band resonance amplifier providing gain necessary to support self-oscillations in an opto-electronic loop comprising the light source, the sample, the light-directing apparatus, the light-receiving apparatus, and the resonance amplifier.
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