Optical device for observing phase contrast

Optical device for observing phase contrast

The arrangement has a diaphragm device arranged in an illumination ray path aligned on a sample. The device has diaphragm openings provided on a coated surface area. A surface area (2) has a coating that causes a negative shift of phase of light. Another surface area (3) has a coating that causes a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DANZ RAINER, VOGELGSANG, ANKE, SCHAFFER, JOERG DR, ZOELFFEL, MICHAEL, THIRASE, JAN DR
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:The arrangement has a diaphragm device arranged in an illumination ray path aligned on a sample. The device has diaphragm openings provided on a coated surface area. A surface area (2) has a coating that causes a negative shift of phase of light. Another surface area (3) has a coating that causes a positive shift of the phase. A diaphragm opening defining unit defines diaphragm openings provided on the surface areas. Another diaphragm opening defining unit defines diaphragm openings partially provided on the surface areas.