Researchers at the Transient Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics (Chinese Academy of Sciences), led by Liu Hongjun, published in Laser & Photonics Reviews a demonstration extending nonlocal metasurface control to continuous‑wave nonlinear mid‑infrared frequency upconversion imaging. The technique enables compact, low‑cost, high‑sensitivity mid‑IR detection with on‑chip integration potential; cited application areas include gas detection, environmental monitoring,

2026-08-25

Researchers at the Transient Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics (Chinese Academy of Sciences), led by Liu Hongjun, published in Laser & Photonics Reviews a demonstration extending nonlocal metasurface control to continuous‑wave nonlinear mid‑infrared frequency upconversion imaging. The technique enables compact, low‑cost, high‑sensitivity mid‑IR detection with on‑chip integration potential; cited application areas include gas detection, environmental monitoring, biomedical imaging and integrated photonic sensing.

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2026-08-25

U.S. Defense Secretary Hegseth said Iran's kinetic strikes have not paused and that the U.S. will take decisive action if necessary.

2026-08-25

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