Note

Multiplexed multiple-tau auto- and cross-correlators on a single field programmable gate array

G. Mocsár, B. Kreith, J. Buchholz, J. W. Krieger, J. Langowski, G. Vámosi

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We introduce a new multiple-tau hardware correlator design for computing fluorescence correlation functions (CFs) in real time. Use of hardware resources is minimized by scheduling the computation of different segments of the CFs on a single correlator block. Simultaneous calculation of two multiple-tau autocorrelation (ACFs) and two cross-correlation functions (CCFs) is implemented in LabVIEW on a National Instruments field programmable gate array (FPGA) card with a minimal sampling time of 400 ns. Raw data are stored with a time resolution of 50 ns. The design can be easily adapted to other FPGA cards and extended to more inputs.

Original languageEnglish
Article number046101
JournalReview of Scientific Instruments
Volume83
Issue number4
DOIs
Publication statusPublished - Apr 2012

Fingerprint

field-programmable gate arrays
Correlators
correlators
Field programmable gate arrays (FPGA)
cards
hardware
Hardware
scheduling
Autocorrelation
cross correlation
autocorrelation
resources
Fluorescence
sampling
Scheduling
Sampling
fluorescence

ASJC Scopus subject areas

  • Instrumentation
  • Medicine(all)

Cite this

Note : Multiplexed multiple-tau auto- and cross-correlators on a single field programmable gate array. / Mocsár, G.; Kreith, B.; Buchholz, J.; Krieger, J. W.; Langowski, J.; Vámosi, G.

In: Review of Scientific Instruments, Vol. 83, No. 4, 046101, 04.2012.

Research output: Contribution to journalArticle

Mocsár, G. ; Kreith, B. ; Buchholz, J. ; Krieger, J. W. ; Langowski, J. ; Vámosi, G. / Note : Multiplexed multiple-tau auto- and cross-correlators on a single field programmable gate array. In: Review of Scientific Instruments. 2012 ; Vol. 83, No. 4.
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