dorsal/arxiv
View SchemaOptical Tests of Nanoengineered Liquid Mirrors
| Authors | Helene Yockell-Lelievre, Ermanno F. Borra, Anna Ritcey, Lande Vieira da Silva Jr |
|---|---|
| Categories | |
| ArXiv ID | physics/0301053 |
| URL | https://arxiv.org/abs/physics/0301053 |
| DOI | 10.1364/AO.42.001882 |
Abstract
We describe a new technology for the fabrication of inexpensive high-quality mirrors. We begin by chemically producing a large number of metallic nanoparticles coated with organic ligands. The particles are then spread on a liquid substrate where they self-assemble to give optical quality reflective surfaces. Since liquid surfaces can be modified with a variety of means (e.g. rotation, electromagnetic fields), this opens the possibility of making a new class of versatile and inexpensive optical elements that can have complex shapes which can be modified within short time scales. Interferometric measurements show optical quality surfaces. We have obtained reflectivity curves that show 80% peak reflectivities.We are confident that we can improve the reflectivity curves, for theoretical models predict higher values. We expect that nanoengineered liquid mirrors should be useful for scientific and engineering applications. The technology is interesting for large optics, such as large rotating parabolic mirrors, because of its low cost. Furthermore, because the surfaces of ferrofluids can be shaped with magnetic fields, one can generate complex, time varying surfaces difficult to make with conventional techniques.
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"abstract": "We describe a new technology for the fabrication of inexpensive high-quality\nmirrors. We begin by chemically producing a large number of metallic\nnanoparticles coated with organic ligands. The particles are then spread on a\nliquid substrate where they self-assemble to give optical quality reflective\nsurfaces. Since liquid surfaces can be modified with a variety of means (e.g.\nrotation, electromagnetic fields), this opens the possibility of making a new\nclass of versatile and inexpensive optical elements that can have complex\nshapes which can be modified within short time scales. Interferometric\nmeasurements show optical quality surfaces. We have obtained reflectivity\ncurves that show 80% peak reflectivities.We are confident that we can improve\nthe reflectivity curves, for theoretical models predict higher values. We\nexpect that nanoengineered liquid mirrors should be useful for scientific and\nengineering applications. The technology is interesting for large optics, such\nas large rotating parabolic mirrors, because of its low cost. Furthermore,\nbecause the surfaces of ferrofluids can be shaped with magnetic fields, one can\ngenerate complex, time varying surfaces difficult to make with conventional\ntechniques.",
"arxiv_id": "physics/0301053",
"authors": [
"Helene Yockell-Lelievre",
"Ermanno F. Borra",
"Anna Ritcey",
"Lande Vieira da Silva Jr"
],
"categories": [
"physics.optics",
"physics.space-ph"
],
"doi": "10.1364/AO.42.001882",
"title": "Optical Tests of Nanoengineered Liquid Mirrors",
"url": "https://arxiv.org/abs/physics/0301053"
},
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