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Meadowlark Optics - Wave Plates 6/24 LB 2024

THz Lens a New Tool for Biology

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A new terahertz lens made of plastic and metal has 10 times the resolution of any current metamaterial lens, making it a powerful tool for biological imaging, its creators say. The lens was created using fiber optic manufacturing technology at the University of Sydney. It operates in the terahertz spectral region, where very few other optical tools are available, and where all of them have limitations, especially in terms of resolution. "If we think of this in comparison to an x-ray, which allows us to see inside objects at a high resolution but with associated danger from...Read full article

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    Published: November 2013
    Glossary
    metamaterial
    Metamaterials are artificial materials engineered to have properties not found in naturally occurring substances. These materials are designed to manipulate electromagnetic waves in ways that are not possible with conventional materials. Metamaterials typically consist of structures or elements that are smaller than the wavelength of the waves they interact with. Key characteristics of metamaterials include: Negative refraction index: One of the most notable features of certain...
    resolution
    1. In optics, the ability of a lens system to reproduce the points, lines and surfaces in an object as separate entities in the image. 2. The minimum adjustment increment effectively achievable by a positioning mechanism. 3. In image processing, the accuracy with which brightness, spatial parameters and frame rate are divided into discrete levels.
    terahertz
    Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1 and 10 terahertz. One terahertz is equivalent to one trillion hertz, or cycles per second. The terahertz frequency range falls between the microwave and infrared regions of the electromagnetic spectrum. Key points about terahertz include: Frequency range: The terahertz range spans from approximately 0.1 terahertz (100 gigahertz) to 10 terahertz. This corresponds to...
    Alessandro TunizAsia-PacificbiologyBiophotonicsBioScanBoris Kuhlmeybreast cancerfiber opticsImaginglensesMaterials & ChemicalsmelanomametamaterialMicroscopyNature CommunicationsOpticsResearch & TechnologyresolutionSydneyterahertz

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