Photonic crystal fiber metalens

Yang, Jingyi; Ghimire, Indra; Wu, Pin Chieh; Gurung, Sudip; Arndt, Catherine; Tsai, Din Ping; Lee, Ho Wai Howard

doi:10.1515/nanoph-2018-0204

Cited by 100 publications

(75 citation statements)

References 42 publications

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“…Metasurfaces fabricated using FIB have been reported in a study by Lin et al [84] and Liu et al [85]. Especially it has been widely used to pattern metasurfaces in fiber [24] or on the fiber facets [86,87]. Compared to electron beam lithography, FIB is also low throughput, but the material selection of the sample is relatively limited.…”

Section: Step 4: Modeling Of Full Lensmentioning

confidence: 99%

“…Secondly, metasurfaces-enabled optical fibers, which combine the light manipulation capabilities of the metasurface and the flexibility of fibers, can be applied for in vivo bioimaging and remote biosensing [125,173]. For example, light focusing [87] at the fiber tip can be used for high-resolution in vivo imaging and surface enhancement of the light field at the fiber tip can be used for biosensing [86,174]. Thirdly, an advantage of metalenses is the ease to generate structured light such as Laguerre-Gaussian and Bessel beams, etc.…”

Section: Future Directionsmentioning

confidence: 99%

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Metasurfaces for biomedical applications: imaging and sensing from a nanophotonics perspective

et al. 2020

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Metasurface is a recently developed nanophotonics concept to manipulate the properties of light by replacing conventional bulky optical components with ultrathin (more than 104 times thinner) flat optical components. Since the first demonstration of metasurfaces in 2011, they have attracted tremendous interest in the consumer optics and electronics industries. Recently, metasurface-empowered novel bioimaging and biosensing tools have emerged and been reported. Given the recent advances in metasurfaces in biomedical engineering, this review article covers the state of the art for this technology and provides a comprehensive interdisciplinary perspective on this field. The topics that we have covered include metasurfaces for chiral imaging, endoscopic optical coherence tomography, fluorescent imaging, super-resolution imaging, magnetic resonance imaging, quantitative phase imaging, sensing of antibodies, proteins, DNAs, cells, and cancer biomarkers. Future directions are discussed in twofold: application-specific biomedical metasurfaces and bioinspired metasurface devices. Perspectives on challenges and opportunities of metasurfaces, biophotonics, and translational biomedical devices are also provided. The objective of this review article is to inform and stimulate interdisciplinary research: firstly, by introducing the metasurface concept to the biomedical community; and secondly by assisting the metasurface community to understand the needs and realize the opportunities in the medical fields. In addition, this article provides two knowledge boxes describing the design process of a metasurface lens and the performance matrix of a biosensor, which serve as a “crash-course” introduction to those new to both fields.

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Section: Step 4: Modeling Of Full Lensmentioning

confidence: 99%

Section: Future Directionsmentioning

confidence: 99%

Metasurfaces for biomedical applications: imaging and sensing from a nanophotonics perspective

et al. 2020

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“…Yang et al reported an ultrathin optical metalens directly patterned on the facet of a photonic crystal optical fiber (see Figure 8 ) that could achieve light focusing in the telecommunication regime [ 64 ]. In-fiber metalenses with focal lengths of 28 μm and 40 μm at a wavelength of 1550 nm were demonstrated with maximum enhanced optical intensities as large as 234%.…”

Section: Lab-on-fiber Concept: a Technological Roadmapmentioning

confidence: 99%

“…SEM images of fabricated PCF metalens for numerical apertures of ( D , E ) 0.37 and ( F , G ) 0.23. Reproduced with permission from [ 64 ]. The article is licensed under a Creative Commons Attribution 4.0 International License: .…”

Section: Figurementioning

confidence: 99%

Lab-On-Fiber Technology: A Roadmap toward Multifunctional Plug and Play Platforms

Pisco

Cusano

2020

Sensors

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This review presents an overview of the “lab-on-fiber technology” vision and the main milestones set in the technological roadmap to achieve the ultimate objective of developing flexible, multifunctional plug and play fiber-optic platforms designed for specific applications. The main achievements, obtained with nanofabrication strategies for unconventional substrates, such as optical fibers, are discussed here. The perspectives and challenges that lie ahead are highlighted with a special focus on full spatial control at the nanoscale and high-throughput production scenarios. The rapid progress in the fabrication stage has opened new avenues toward the development of multifunctional plug and play platforms, discussed here with particular emphasis on new functionalities and unparalleled figures of merit, to demonstrate the potential of this powerful technology in many strategic application scenarios. The paper also analyses the benefits obtained from merging lab-on-fiber (LOF) technology objectives with the emerging field of optomechanics, especially at the microscale and the nanoscale. We illustrate the main advances at the fabrication level, describe the main achievements in terms of functionalities and performance, and highlight future directions and related milestones. All achievements reviewed and discussed clearly suggest that LOF technology is much more than a simple vision and could play a central role not only in scenarios related to diagnostics and monitoring but also in the Information and Communication Technology (ICT) field, where optical fibers have already yielded remarkable results.

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“…The metalens has been expected to contribute to the miniaturization of the optical instruments as it can contain much more information than conventional lenses or optic components [99,133,[138][139][140][141][142][143][144][145][146][147][148][149][150]. Figure 8A shows an example of metalens that used the property of the PB phase: The sign of the PB phase is reversed according to the handedness of the incident light [122,144].…”

Section: Researches On the Applications Of Metalensmentioning

confidence: 99%

Progresses in the practical metasurface for holography and lens

Sung

Lee

2019

Nanophotonics

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Metasurfaces have received enormous attention thanks to their unique ability to modulate electromagnetic properties of light in various frequency regimes. Recently, exploiting its fabrication ease and modulation strength, unprecedented and unique controlling of light that surpasses conventional optical devices has been suggested and studied a lot. Here, in this paper, we discuss some parts of this trend including holography, imaging application, dispersion control, and multiplexing, mostly operating for optical frequency regime. Finally, we will outlook the future of the devices with recent applications of these metasurfaces.

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Photonic crystal fiber metalens

Cited by 100 publications

References 42 publications

Metasurfaces for biomedical applications: imaging and sensing from a nanophotonics perspective

Metasurfaces for biomedical applications: imaging and sensing from a nanophotonics perspective

Lab-On-Fiber Technology: A Roadmap toward Multifunctional Plug and Play Platforms

Progresses in the practical metasurface for holography and lens

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