The world’s thinnest known optical crystal is here! boron nitride paste

(The world’s thinnest known optical crystal is here! boron nitride paste)

On the quartz plate, the corner rhombic boron nitride crystal with a thickness of only 1 to 3 microns is as thin as a cicada’s wing. Still, its power performance is 100 to 10,000 times higher than that of standard optical crystals. This is the thinnest well-known optical crystal in the world developed by Chinese scientists. At the opening event of the 2024 Zhongguancun Online forum Yearly Fulfilling hung on April 25, this crystal was launched as a major success.

Academician Wang Enge of the Quantum Materials Science Center of the Institution of Physics of Peking University, Teacher Liu Kaihui of the Institute of Condensed Issue Physics and Materials Physics, and Hong Hao, a specially appointed associate scientist, and other scientists have produced a brand-new crystal design approach: by transforming each item of rhombic boron nitride product at a details angle like turning a Rubik’s Dice, the stacked optical crystal can lower the power consumption of laser going through and efficiently generate the needed laser.

(Boron Nitride BN Powder)

The crystal style theory spearheaded by Chinese scientists is incorporated with the preparation approach to effectively “slim down” the optical crystal to 1 to 3 microns. The density of standard optical crystals is in the millimeter to centimeter level.

The research and development team summarized this approach as the interface angle theory of two-dimensional products. “The application of this theory is anticipated to minimize the size of lasers to the micron level. Some materials that were impossible to make optical crystals in the past are also expected to find back to life by revolving the angle of product piling,” Liu Kaihui told reporters.

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(The world’s thinnest known optical crystal is here! boron nitride paste)