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Revolutionizing Rotational Detection With THz Waves

Revolutionizing Rotational Detection With THz Waves
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Lin chenJun qianYiming zhuTengjiao wangLinjie zhouJingya xieXiaofei zangUniversity of shanghaiTerahertz vortex beam emitterGold open accessDetecting rotationalPrecise rotating target detectionSonglin zhuan

THz radar detects distant rotation

Beams of electromagnetic radiation can be used to detect the rotation of distant objects if they have orbital angular momentum - known as 'vortex waves'.

Jingya xieYiming zhuUniversity of shanghaiAdvanced photonics

Revolutionizing radar: Integrated THz emitter for precise rotating target detection

Revolutionizing radar: Integrated THz emitter for precise rotating target detection
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Jingya xieYiming zhuUniversity of shanghaiAdvanced photonics

Revolutionizing radar: Integrated THz emitter

<p>Imagine a radar system that doesn't just rely on linear waves but instead uses spiraling electromagnetic waves with orbital angular momentum (OAM). These special “vortex” waves have a helical twist and introduce a signature rotational Doppler effect when they encounter a spinning object. To improve identification and detection of these rotational Doppler effects, researchers from University of Shanghai for Science and Technology (USST) have harnessed terahertz (THz) waves by developing an integrated THz vortex beam emitter, as reported in the Gold Open Access journal <em>Advanced Photonics.</em> According to USST Professor Yiming Zhu, corresponding author for the article, “To the best of our knowledge, this study represents the first demonstration of an integrated THz vortex beam emitter specifically designed for the detection of rotating targets.”</p>

Yiming zhuUniversity of shanghaiGold open access

Revolutionizing Radar: Integrated THz Emitter For Precise Rotating Target Detection

Revolutionizing Radar: Integrated THz Emitter For Precise Rotating Target Detection
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Yiming zhuUniversity of shanghaiGold open access