UWA Gravitational Wave Research Fellow (OzGrav-UWA), Dr Aaron Jones
Gravitational wave detectors such as LIGO,Virgo and KAGRA accumulate a huge amount of optical power and use several pairs of mirrors to increase the amount of laser light. But these pairs of mirrors have small distortions that scatter light, so the shape of the laser beam is no longer perfect. As a result, this causes excessive noise in the detector, limits the sensitivity, and puts the detector offline.
The authors of the new work said that they had the idea to use a metasurface - an ultrathin surface with a special pattern encoded in the subwavelength range.
Experimental setup developedteam, was more than a thousand times more sensitive than the original device, created by experts in the field of telecommunications. And now the researchers will look to use their advances to improve the performance of gravitational wave detectors.
OzGrav-UWA Principal Investigator Associate Professor Chunnong Zhao said that this development will improve the search and analysis of information carried by gravitational waves. And this will allow us to observe the Universe in a new way.
Read more
Something strange is happening in the Universe: how to explain inconsistencies in the Hubble constant
The ancient city of the Mittani Empire “surfaced” from the river. He is over 3,400 years old
In 20 years everything will be different: what skills will our children need