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© Photo : tsu.ruScientists at Russia's Tomsk State University (TSU) created a unique surgical laser designed to cut bones and biological tissue
Scientists at Russia's Tomsk State University (TSU) created a unique surgical laser designed to cut bones and biological tissue - Sputnik International
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Scientists at Tomsk State University developed a unique laser technology that uses metal vapor to cut through bone and glass without cracking or charring, in what is being billed as a game-changing invention.

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MOSCOW (Sputnik) — Russian engineers at a Siberian university have developed a unique laser technology that uses metal vapor to cut through bone and glass without cracking or charring, in what is being billed as a game-changing invention.

Scientists at Tomsk State University told the Siberian Times that their new strontium-vapor laser can operate at a dozen of different wavelengths, most notably at 6.45 microns, which is the optimum range for cutting bone and live tissue.

Vapor lasers work by vaporizing metals at an extremely high temperature. Anatoly Soldatov, the head of the Innovative Technologies Department at Tomsk University said their technology was unique in that it could be adjusted to various wavelengths, making it the world's first multi-use metal-vapor laser that can be applied to both science and hi-tech.

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Smartphone-maker Samsung has already expressed interest in the invention due to its ability to cut smoothly through glass without melting it. Conventional lasers normally melt the glass by building up heat in it, which often leads to cracks.

According to the Russian scientists, Samsung was impressed by the sample cuts Tomsk University sent them.

"An electronic microscope study showed that the number of imperfections [when cutting glass with a strontium laser] is a hundred times less than when cutting with a carbon dioxide laser," Soldatov told the Siberian outlet.

The scientists are currently working to optimize the laser by shortening its pulse duration to just a few nanoseconds. This will increase the energy density, making the laser even more powerful, scientists said.

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