Among the constantly growing technologies are a range of applications utilizing miniaturized optical lenses. From smartphones and cameras in everyday life to augmented and virtual reality glasses for the latest trends of the untact era, optical lens miniaturization enables the development of a wide range of tiny products.
They emphasize the significance of ultrasmall and ultrathin lens technologies based on metamaterials and metasurfaces in this paper. They cover the state-of-the-art of research trends and explore their limits, with a focus on hyperlenses and metalenses that can replace or be integrated with current conventional lenses.
They also discuss applications that make advantage of miniature imaging equipment. The miniaturized imaging devices are likely to be critical building blocks for next-generation imaging approaches.
The miniaturization of optical lenses is becoming popular. Miniaturisation of optical lenses is becoming increasingly important as technology advances. Miniaturization of lenses to sub-micrometer sizes is required for the creation of tiny electronics such as mobile phones, cameras, and augmented/virtual reality devices.
A novel sort of lens, other than traditional convex or concave lenses, is necessary in this environment for two reasons. First, typical curved lens production utilizing the usual cutting or carving procedure is difficult.
Second, because the wavelength of interest is not sufficiently larger than the lens dimension, the geometrical optics that underlies light focusing on those conventional lenses fails to function in this domain, and electromagnetic wave optics should be studied instead.
For these reasons, emphasis has been placed on the usage of metamaterials and metasurfaces capable of implementing. Metamaterials are optical materials that have been purposefully produced to have unusual characteristics.
Metasurfaces, on the other hand, are the two-dimensional equivalents of metamaterials that may be utilized to avoid three-dimensional nanofabrication and reduce optical losses by decreasing the optical path length.
The geometrical structure, size, and arrangement of the metamaterials’ subwavelength-scale elements determine light propagation.
Thus, suitably constructed metamaterials provide unparalleled control over light characteristics such as velocity, wavefront, polarization, and phase. Naturally, metamaterials and metasurfaces have been investigated as potential substitutes for traditional lenses for light focusing.
will concentrate on two types of metamaterials-based lenses in this section. First and foremost, a hyperlens is a metamaterial-based lens. It is made up of stacked metals and dielectrics in cylindrical or spherical shapes.
A hyperlens has a dispersion form that is hyperbolic, allowing access to subdiffraction features with arbitrarily high spatial frequencies and the transmission of evanescent waves containing super-resolution characteristics of an object to a far-field.
Furthermore, utilizing the most recent nanofabrication processes, hyperlenses with resolutions below the diffraction limit may be fitted to a miniaturized imaging system. Hyperlenses generally have dimensions of a few micrometers, allowing them to be readily incorporated in conventional optics or employed as ultrasmall lensing devices.
The Global Next Imaging Technology Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
United Imaging, a global leader in advanced medical imaging and radiotherapy equipment manufacture and a Leadership Circle sponsor at this year’s SNMMI, is making headlines on numerous fronts this week during the SNMMI’s annual conference in Chicago.
For some time, the market has been debating the relative value of resolution, axial field of view (FOV), and time of flight (TOF).will gladly have a talk about any single specification or the cumulative benefit of all of them with the new wide-bore uMI Panorama and its 2.9 mm NEMA resolution, 35 cm axial FOV, and 194 ps timing resolution, since the need to compromise is gone with this particular device.
The uMI Panorama was recently hyped in the media as one of four new products introduced by United Imaging this year in four distinct imaging modalities.
Along with the uMI Panorama, United Imaging is demonstrating uExcel, a cutting-edge Molecular Imaging technology platform. The platform combines hardware and software advancements to improve performance, imaging capabilities, and system functionality.
Its ultra-digital platform (UDP) detector has a high-performance ASIC processor, and its AI-powered workflow simplifies processes and improves examination efficiency. With a smaller dosage, exceptional image quality may be attained, and the quality assurance module ensures that the system operates at optimal performance.
The uMI Panorama is a product family that also includes the uMI Panorama GS, a 510 k-pending device with a 148 cm axial FOV.
This ultra-long axial FOV system, built on the uExcel platform, enables quick and high-resolution whole-body PET/CT imaging in a single bed position. At SNMMI, the uMI Panorama GS will also be presented.
United Imaging’s popular digital PET/CT, the uMI 550, continues to witness consistent growth in demand in both mobile and stationary configurations.
The whole uMI portfolio is also AI-powered from the start, rather than being retrofitted later. This enables the seamless integration of artificial intelligence (AI) across all products, optimizing everyday operations, improving patient experience, and producing outstanding diagnostic pictures.
By automatically iso-centering patients and determining the scan range, United Imaging’s artificial intelligence (uAI) accelerates typical clinical operations. Its technologies also enable for quicker scanning.
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