Optics & Laser Technology· 2026Q1
Deep learning-enabled invisible electromagnetic scattering amplifier
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- Q1SCImago
- 2026year
Short summary
A novel Invisible Electromagnetic Scattering Amplifier (IESA), designed using deep learning, achieves near-zero scattering for itself while amplifying the scattering of nearby subwavelength targets by up to 44.53 times.
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Key points
- An Invisible Electromagnetic Scattering Amplifier (IESA) is designed using a deep learning approach combined with electromagnetic simulation.
- The IESA achieves intrinsic electromagnetic invisibility, meaning it has near-zero scattering.
- It significantly amplifies the scattering of subwavelength targets entering its sensing region by a maximum factor of 44.53.
- The amplification effect is stable for targets of approximately 0.2λ₀, regardless of their spatial position or geometric shape.
AI-generated from the title and abstract; the full text is not read.
Abstract
With the rapid development of micro-electro-mechanical systems, electrically small targets, such as subwavelength micro unmanned aerial vehicles and bionic mosquito robots, exhibit ultra-low scattering cross section, which brings severe challenges to their effective detection. To address this problem, an Invisible Electromagnetic Scattering Amplifier (IESA) is designed by combining finite-element electromagnetic simulation with a forward lossless tandem neural network. The IESA realizes the dual-functional integration of intrinsic electromagnetic invisibility (near-zero scattering) for itself and significant scattering amplification for subwavelength targets entering its air sensing region. Electromagnetic simulations verify that the designed IESA can achieve a stable scattering amplification effect on subwavelength targets with a characteristic size of approximately 0.2 λ 0 , regardless of their spatial positions or geometric shapes, with a maximum scattering cross section amplification factor of 44.53. The IESA breaks the technical bottleneck of the separate design of electromagnetic invisibility and scattering amplification functions. It shows potential for applications in the fields of radar detection, anti-terrorism security, micro-target monitoring, and adaptive electromagnetic sensing.
The authors' abstract, as published at the source. Optics & Laser Technology, 2026 · DOI ↗
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Field: Electronic, Optical and Magnetic Materials
Electronic, Optical and Magnetic MaterialsMaterials Science