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Ultra-thin lenses halve incident wavelength to make infrared light visible - Phys.org

  • Peter Rüegg |
  • Technology |
  • Phys.Org |
  • 06-04-2025 |
  • 24

Physicists at ETH Zurich have developed a lens that can transform infrared light into visible light by halving the wavelength of incident light. The study is published in Advanced Materials. Lenses …

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