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The world's thinnest known optical crystal is here! cubic boron nitride
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On the quartz plate, the corner rhombic boron nitride crystal with a density of just 1 to 3 microns is as slim as a cicada's wing. Still, its power performance is 100 to 10,000 times more than that of traditional optical crystals. This is the thinnest recognized optical crystal on the planet designed by Chinese scientists. At the opening ceremony of the 2024 Zhongguancun Discussion forum Yearly Satisfying hung on April 25, this crystal was launched as a major success.
Academician Wang Enge of the Quantum Products Scientific Research Center of the Institution of Physics of Peking University, Teacher Liu Kaihui of the Institute of Condensed Matter Physics and Materials Physics, and Hong Hao, a specially selected associate researcher, and other scientists have actually developed a new crystal layout method: by transforming each piece of rhombic boron nitride material at a certain angle like turning a Rubik's Cube, the stacked optical crystal can lower the power intake of laser travelling through and efficiently generate the needed laser.
The crystal design theory pioneered by Chinese scientists is integrated with the preparation method to successfully "slim down" the optical crystal to 1 to 3 microns. The thickness of traditional optical crystals is in the millimeter to centimeter level.
The research and development group summarized this approach as the user interface angle concept of two-dimensional products. "The application of this concept is anticipated to reduce the dimension of lasers to the micron degree. Some materials that were impossible to make optical crystals in the past are also expected ahead back to life by turning the angle of product stacking," Liu Kaihui informed press reporters.
Vendor of Hexagonal Boron Nitride BN Powder
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