On the quartz plate, the edge rhombic boron nitride crystal with a density of just 1 to 3 microns is as thin as a cicada’s wing. Still, its power performance is 100 to 10,000 times more than that of conventional optical crystals. This is the thinnest recognized optical crystal worldwide developed by Chinese scientists. At the opening event of the 2024 Zhongguancun Forum Yearly Fulfilling hung on April 25, this crystal was released as a significant achievement.
Academician Wang Enge of the Quantum Materials Science Facility of the College of Physics of Peking University, Teacher Liu Kaihui of the Institute of Condensed Matter Physics and Products Physics, and Hong Hao, a specially assigned associate researcher, and other scientists have actually produced a new crystal layout method: by transforming each piece of rhombic boron nitride material at a certain angle like turning a Rubik’s Dice, the stacked optical crystal can decrease the power usage of laser travelling through and effectively create the needed laser.
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The crystal layout theory pioneered by Chinese researchers is incorporated with the prep work method to efficiently “slim down” the optical crystal to 1 to 3 microns. The thickness of standard optical crystals is in the millimeter to centimeter degree.
The r & d team summarized this method as the user interface angle theory of two-dimensional products. “The application of this concept is expected to lower the dimension of lasers to the micron level. Some products that were impossible to make optical crystals in the past are also expected to come back to life by revolving the angle of product piling,” Liu Kaihui informed reporters.
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