Saturday, September 25, 2021

Australian Nanolaser promises breakthrough medical applications

SYDNEY – Australian researchers have developed a new microscopic laser that has a range of potential medical, surgical, industrial and military uses.

Researchers at the Australian National University (ANU) say “nanolaser” promises to be more powerful than conventional technology. The technology uses laser light instead of electronics and it is a method called photonics.

Nanolasers, they say, require only a small amount of energy to start shining. Instead of using mirrors that reflect light, the team has created a device that traps energy and prevents it from escaping. That energy is used and turned into a “strong, well-shaped” ray. Researchers say it has overcome a well-known challenge for nanoparticles – “energy leakage.”

The project is a collaboration with academics at Korea University, and is published in the journal Communication with nature.

The lead researcher was Professor Yuri Kivscher, who said that the beams would act like a torch or a flashlight to guide a surgeon.

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“Why do we need it? [it] Small? Imagine you are doing [a] A type of operation inside the body [sic] And you are using optical fiber. So, the optical fibers introduced inside the body will only see the light, which has basically nothing inside, so you need some kind of torch. This torch will light up the place where you need to work and it will be a kind of real torch effect, ”he said.

Academics say that although their nanowires are by far the smallest, they are the most efficient and powerful.

According to the ANU study, the power limit of the laser that starts working is about 50 times lower than that of the previously recorded nanolayers.

Physicists believe the technology could be applied to smaller instruments, including hair removal, laser printing, night-time surveillance, and fine-grained lighting inside the body.

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Australian Nanolaser promises breakthrough medical applications
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