Astrophysics

   

Macroscopic by Microscopic Physics

Authors: George Rajna

A research group led by Yasuhiro Kuramitsu at Osaka University has revealed a magnetic reconnection driven by electron dynamics for the first time ever in laser-produced plasmas using the Gekko XII laser facility at the Institute of Laser Engineering, Osaka University. [47] By using this method for microscopic failure analysis, researchers and manufacturers could improve the reliability of the MEMS components that they are developing, ranging from miniature robots and drones to tiny forceps for eye surgery and sensors to detect trace amounts of toxic chemicals. [46] A KAIST team developed an optical technique to change the color (frequency) of light using a spatiotemporal boundary. [45] Researchers from the Structured Light group from the School of Physics at the University of the Witwatersrand in Johannesburg, South Africa, have found a way to use the full beam of a laser single cells in a human body, tiny particles in small volume chemistry, or working on future on-chip devices. [44] This research work by the UEx, which has been published in Scientific Reports, explored the electromagnetic properties of specific materials that can make certain objects invisible when they are introduced into its interior. [43] A research team from ITMO University and the Australian National University has discovered that different metasurfaces exhibit the same behavior provided a symmetry breaking is introduced to their unit cells "meta-atoms."[42] Electron microscopy has allowed scientists to see individual atoms, but even at that resolution not everything is clear. [41] A half-century ago, the theorist Walter Henneberger wondered if it were possible to use a laser field to free an electron from its atom without removing it from the nucleus. [40] A new study by researchers at the Okinawa Institute of Science and Technology Graduate University (OIST) may explain this disparity. In the work, the OIST researchers measured electrical current across a two-dimensional plane. [39] Femtosecond lasers are capable of processing any solid material with high quality and high precision using their ultrafast and ultra-intense characteristics. [38]

Comments: 79 Pages.

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[v1] 2018-12-03 07:11:29

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