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    Home > Inorganic Chemistry Topics > Inorganic Chemistry Project > Australian scientists have developed the world's thinnest lens

    Australian scientists have developed the world's thinnest lens

    • Last Update: 2022-02-26
    • Source: Internet
    • Author: User
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    The Australian National University announced a few days ago that its scientists have produced the world’s thinnest lens, only 6.
    3 nanometers thick, which is one-two thousandths of the diameter of a human hair
    According to Dr.
    Lu Yuerui of the School of Engineering and Computer Science at the Australian National University, the main researcher on this subject, the lens is only 6.
    3 nanometers thick, while the thinnest lens that has been manufactured before is 50 nanometers thick
    Lu Yuerui said that the lens is made of molybdenum disulfide crystals, which are stable at high temperatures, are a lubricant and a good semiconductor, and can release photons
    The research team used the tape separation method to peel thinner and thinner crystal layers from the molybdenum disulfide crystal layer by layer, and used ion beams to polish a hemispherical lens with a thickness of only 9 atoms
    The researchers found that the thickness of a single layer of molybdenum disulfide is only 0.
    7 nanometers, and light will reciprocate in this crystal layer with a high refractive index without being absorbed
    Lu Yuerui said that this latest scientific research achievement has realized the control of the propagation of light at the atomic level and can be used to create an unprecedented miniaturized optical system
    This breakthrough invention will bring revolutionary applications in the fields of science, technology and medical health, such as being used to manufacture flexible displays, or used to manufacture microlens arrays that simulate compound eyes of insects to achieve rapid three-dimensional imaging
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