Correlation and spectrum of Doppler signal zero crossings using a photon correlation computer

R. J. Adrian; J. Evensted; L. M. Fingerson; R. Menon

doi:10.1088/0022-3735/21/8/001

Correlation and spectrum of Doppler signal zero crossings using a photon correlation computer

R. J. Adrian, J. Evensted, L. M. Fingerson, R. Menon

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A method is described to extend the usefulness of photon correlation computers beyond the low photon density regime and through the photon pile-up regime, thereby permitting application to signals that are strong by the standards of photon correlation, but noisy by the standards of conventional Doppler signal processors. The technique correlates the pulse train obtained from the zero crossings of the analogue signal formed by filtering the photon-resolved signal. The correlation and its spectrum contain strong peaks that define the Doppler signal frequency.

Original language	English (US)
Article number	001
Pages (from-to)	743-748
Number of pages	6
Journal	Journal of Physics E: Scientific Instruments
Volume	21
Issue number	8
DOIs	https://doi.org/10.1088/0022-3735/21/8/001
State	Published - Dec 1 1988
Externally published	Yes

ASJC Scopus subject areas

Instrumentation
Materials Science(all)
Engineering(all)
Physics and Astronomy(all)

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AU - Fingerson, L. M.

AU - Menon, R.

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N2 - A method is described to extend the usefulness of photon correlation computers beyond the low photon density regime and through the photon pile-up regime, thereby permitting application to signals that are strong by the standards of photon correlation, but noisy by the standards of conventional Doppler signal processors. The technique correlates the pulse train obtained from the zero crossings of the analogue signal formed by filtering the photon-resolved signal. The correlation and its spectrum contain strong peaks that define the Doppler signal frequency.

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