Papers & References

Dynamisches System für die Aufnahme und optische Rekonstruktion von Hologrammen

PLUTO / PLUTO-2 Spatial Light Modulators
Digital-/ Computer Holography/ CGH Misc.: Speckle / Characterization / Metrology
Published on:
Authors: Günther Wernicke, Johannes Frank, Christian Günther, Sven Krüger
Abstract:

“Adressierbare räumliche Lichtmodulatoren mit einer möglichst idealen Phasenmodulation sind die Voraussetzung für deren Anwendung in der digitalen Holographie. Eine angepasste Treiberelektronik und eine genaue Kenntnis des Modulationsverhaltens kann zu einem dynamischen Phasenmodulations-System mit nahezu linearer Kennlinie und einem maximalen Phasenhub von 2 pi führen._x000D_
Ein System zur Aufnahme und Rekonstruktion von digitalen Hologrammen mit digitaler Bearbeitung der Hologrammdaten wird gezeigt. Daten von einer CCD-Kamera werden in den PC eingelesen und von diesem auf den Lichtmodulator gegeben. Damit wird ein Analog-Digital-Konverter (Hologrammaufnahme) und ein Digital-Analog-Konverter (optische Hologrammrekonstruktion) realisiert. Das Auflösungsvermögen wird diskutiert und Anwendungsmöglichkeiten, insbesondere durch Manipulationen am rekonstruierten Wellenfeld werden gezeigt._x000D_
Damit werden neue Anwendungen in der zerstörungsfreien holographischen Prüfung und in der holographischen Mikroskopie und der Kombination von beiden möglich. “

Open Access

Publication: DGaO-Proceedings 2006
Issue/Year: DGaO-Proceedings 2006, 107. Tagung, Vortrag: B36,
DOI: ISSN: 1614-8436
Link: https://www.dgao-proceedings.de/abstract/abstract_only.php?id=379
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