Science, Space and Technology News 2023
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“We set out to explore whether lattice distortion in photonic crystals can produce pseudogravity effects,” said Professor Kyoko Kitamura from Tohoku University’s Graduate School of Engineering.Photonic crystals possess unique properties that enable scientists to manipulate and control the behavior of light, serving as ‘traffic controllers’ for light within crystals.
Kitamura and her colleagues modified photonic crystals by introducing lattice distortion: gradual deformation of the regular spacing of elements, which disrupted the grid-like pattern of protonic crystals.
“Much like gravity bends the trajectory of objects, we came up with a means to bend light within certain materials,” adds Kitamura. “Such in-plane beam steering within the terahertz range could be harnessed in 6G communication. Academically, the findings show that photonic crystals could harness gravitational effects, opening new pathways within the field of graviton physics,” said Associate Professor Masayuki Fujita from Osaka University.
Reference: “Deflection of electromagnetic waves by pseudogravity in distorted photonic crystals” by Kanji Nanjyo, Yuki Kawamoto, Hitoshi Kitagawa, Daniel Headland, Masayuki Fujita and Kyoko Kitamura, 28 September 2023,SciTechDaily: Home of the best science and technology news since 1998. Keep up with the latest scitech news via email or social media.As the Moon crossed between the Sun and Earth during the 2023 annular solar eclipse, its shadow darkened skies across the United States.
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