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Parallel Fluorescence Correlation Spectroscopy with a fully integratedsingle photon 2x2 detector array made with conventional CMOS technology

Serov, Alexandre (author)
Gösch, Michael (author)
Rochas, Alexis (author)
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Blom, Hans (author)
KTH,Mikroelektronik och informationsteknik, IMIT
Anhut, Tiemo (author)
Besse, Pierre-André (author)
Popovi, Radivoje S. (author)
Lasser, Theo (author)
Rigler, Rudolf (author)
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 (creator_code:org_t)
SPIE, 2003
2003
English.
In: Optical Technologies in Biophysics and Medicine V. - : SPIE. - 0819453978 ; , s. 248-258
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • We present multipoint Fluorescence Correlation Spectroscopy (FCS) experiments with a fully integrated Complementary Metal Oxide Semiconductor (CMOS) single photon 2x2 detector array. Multifocal excitation was achieved with a diffractive optical element (DOE). Special emphasis was put on parallelization of the total system. In particular the performance of the single-photon CMOS detector was investigated and compared to a state-of-the art single-photon detecting module (actively quenched avalanche photo diode) by measurements on free difftising molecules at different concentrations. The potential of our new technique for high throughput FCS based systems is discussed.

Keyword

Fluorescent Correlation Spectroscopy
single-molecule detection
single-photon detector
CMOS technology
diffractive optics
TECHNOLOGY
TEKNIKVETENSKAP

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