ArticleScientific reports2018
Integrating Free-Form Nanostructured GRIN Microlenses with Single-Mode Fibers for Optofluidic Systems.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed.
- An achromatic metafiber for focusing and imaging across the entire telecommunication range.Nature communications · 2022Article
- Optical trapping using transverse electromagnetic (TEM)-like mode in a coaxial nanowaveguide.Frontiers of optoelectronics · 2021Article
- Optical interferometry based micropipette aspiration provides real-time sub-nanometer spatial resolution.Communications biology · 2021Article
- Ultrahigh numerical aperture meta-fibre for flexible optical trapping.Light, science & applications · 2021Article
- Microstructured Optical Waveguide-Based Endoscopic Probe Coated with Silica Submicron Particles.Materials (Basel, Switzerland) · 2019Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We present both a theoretical and an experimental study of a novel compact lensed fiber system utilizing a nanostructured GRIN lens. The lens can be integrated with an optical fiber, which ensures a unique and efficient focusing in any high index medium, such as a liquid. We use the effective medium approach to design lenses with arbitrary refractive index. To fabricate lenses, we utilize a discrete array of nano-sized rods made of two types of glasses, and apply a standard stack-and-draw fiber drawing technology. The fabricated nanostructured GRIN lenses have a parabolic refractive index profile with a diameter of a standard fiber, very short working distances (55 µm in the air) and a high numerical aperture (NA = 0.16). As a proof-of-concept of the new micro-lensed fiber system, we demonstrate an experiment on optical trapping of micrometer-sized glass beads. We also show that our method is compatible with optical fiber technology and allows for any shape of the refractive index distribution in 2D. Thanks to that a new functionality could be achieved by replacing the GRIN lens with an axicon lens, vortex type elements, micro-lenses arrays or diffraction elements.
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Registered trials
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