SONG Chao,LI Huimin,ZHANG Hao,et al.Design and application of an imaging system based on oblique incidence reflectivity difference technology[J].OPTICAL TECHNIQUE,2026,52(01):7-11.
SONG Chao,LI Huimin,ZHANG Hao,et al.Design and application of an imaging system based on oblique incidence reflectivity difference technology[J].OPTICAL TECHNIQUE,2026,52(01):7-11.DOI:
Design and application of an imaging system based on oblique incidence reflectivity difference technology
This study proposes a novel rapid imaging system based on Oblique-Incidence Reflectance Difference (OIRD) technology
designed for high-resolution real-time monitoring of physicochemical dynamic processes at surfaces and interfaces. The system comprises four main components: a light source
an optical path system
a sample stage
and a detection system. By integrating signal processing techniques
it enables real-time output of OIRD images and achieves lateral resolution at the micrometer scale. The OIRD imaging system has been applied to analyze crystal morphology in salt solution deposition
characterize oil-in-water emulsions
and investigate Marangoni vortices during surfactant droplet evaporation. It demonstrates capabilities for both static characterization of solid surfaces and dynamic monitoring of liquid systems
thereby offering an unlabeled
in situ characterization tool with high spatiotemporal resolution for surface imaging
interfacial reactions
and the evolution of multiphase systems.
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