Liquid drop interferometry on reflective surfaces

doi:10.1364/OL.524640

Liquid drop interferometry on reflective surfaces

2024-07-24

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DOI：10.1364/OL.524640

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We resolve the main bottleneck of achieving optimal fringe contrast on highly reflective surfaces through the innovative application of rear surface mirrors, unveiling a pioneering approach to precision measurements exemplified by the modified liquid drop interferometry (LDI) technique. By utilizing a liquid drop on a highly reflective surface, the need for a reference lens with a specific coating is eliminated, showcasing the technique's versatility. Furthermore, we first validate a novel, to our knowledge, expression for p-polarization-dependent radiation pressure, addressing a century-old problem reported in the literature. Beyond advancing measurement techniques, this study broadens the scope of applications requiring high precision, particularly in nanotechnology and surface characterization of metallic- coated surfaces. (c) 2024 Optica Publishing Group

Keywords:

RADIATION PRESSURE

LINEAR MOMENTUM

FORCES

LIGHT

Liquid drop interferometry on reflective surfaces

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