Complex Sculpting Updates: In the news about latest Technology news updates, Using “twisted” light, a team of researchers at the University of Strathclyde has developed a technique for shaping matter into intricate structures. Read full article to know more about this news.
The novel method capitalises on atoms’ sensitivity to temperature. Atoms stop acting like particles and start to behave more like waves when cooled to or near absolute zero temperatures (-273 degrees Celsius).
The atoms are referred to as Bose-Einstein condensates in this situation (BECs). BECs play a crucial role in the operation of slow light, quantum simulations, and atom lasers.
BECS AID IN THE COMPREHENSION OF SUBSTANCES LIKE SUPERFLUIDS AND SUPERCONDUCTORS.
According to a study that appeared in Physical Review Letters, these dynamic BECs further fragment and split into clusters of BEC droplets when exposed to twisted light. These droplets typically move in accordance with the characteristics of the light being displayed.
The researchers found that they could regulate the amount of BEC droplets as well as how they moved by using the twisted light as a steering and regulating component. According to the findings, there are twice as many BEC droplets as there are light twists.
We can control the behaviour of a BEC by shining a laser beam onto it. The phase profile of the laser beam when it is “twisted” is helical and it carries orbital angular momentum (OAM). The paper’s principal author is Grant Henderson, a PhD candidate in Strathclyde’s Department of Physics.
“WE CAN CONTROL THE BEHAVIOUR OF A BEC BY SHINING A LASER BEAM ONTO IT,” HE DECLARED.
The laser beam carries orbital angular momentum and exhibits a helical phase profile when it is “twisted” (OAM). OAM-enhanced laser beams can act like an optical spanner by capturing and rotating tiny particles.
“This technique for shaping matter into unusual and intricate patterns by shining twisted light through ultracold atoms offers a fresh and easy solution. It offers the chance to create brand-new quantum gadgets like atomtronic circuits and ultra-sensitive detectors.”
According to Grant Henderson, the paper’s primary author, “laser beams with OAM can capture and twist small particles, acting like an optical spanner.
According to the researchers, “sculpting matter into unorthodox and complicated shapes” is made easier and more innovative by using twisted light to pass through ultracold atoms.
The new approach has opened up a world of opportunity for creating novel quantum devices like atomtronic circuits and extremely sensitive detectors.
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