Detection of multimode spatial correlation in PDC and application to the absolute calibration of a CCD camera.
Opt Express
; 18(20): 20572-84, 2010 Sep 27.
Article
em En
| MEDLINE
| ID: mdl-20940952
We propose and demonstrate experimentally a new method based on the spatial entanglement for the absolute calibration of analog detectors. The idea consists on measuring the sub-shot-noise intensity correlation between two branches of parametric down conversion, containing many pairwise correlated spatial modes. We calibrate a scientific CCD camera and a preliminary evaluation of the uncertainty indicates the metrological interest of the method.
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1
Coleções:
01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Diagnostic_studies
/
Prognostic_studies
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article