The world’s thinnest known optical crystal is here! black nitride vs nickel boron

(The world’s thinnest known optical crystal is here! black nitride vs nickel boron)

On the quartz plate, the edge rhombic boron nitride crystal with a density of only 1 to 3 microns is as slim as a cicada’s wing. Still, its power performance is 100 to 10,000 times greater than that of conventional optical crystals. This is the thinnest recognized optical crystal worldwide invented by Chinese researchers. At the opening ceremony of the 2024 Zhongguancun Discussion forum Yearly Satisfying held on April 25, this crystal was launched as a major success.

Academician Wang Enge of the Quantum Products Scientific Research Facility of the School of Physics of Peking University, Professor Liu Kaihui of the Institute of Condensed Issue Physics and Materials Physics, and Hong Hao, a particularly selected associate researcher, and various other scientists have produced a brand-new crystal style method: by transforming each item of rhombic boron nitride product at a certain angle like twisting a Rubik’s Cube, the stacked optical crystal can reduce the energy intake of laser going through and effectively generate the needed laser.

(Boron Nitride BN Powder)

The crystal design theory originated by Chinese researchers is integrated with the preparation method to successfully “slim down” the optical crystal to 1 to 3 microns. The density of traditional optical crystals remains in the millimeter to centimeter level.

The r & d team summarized this method as the interface angle concept of two-dimensional materials. “The application of this concept is expected to decrease the size of lasers to the micron degree. Some products that were impossible to make optical crystals in the past are likewise anticipated ahead back to life by rotating the angle of product piling,” Liu Kaihui told reporters.

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(The world’s thinnest known optical crystal is here! black nitride vs nickel boron)