Achromatic Metalens over 60 nm Bandwidth in the Visible
Autor: | Federico Capasso, Aun Zaidi, Wei Ting Chen, Zhujun Shi, Vyshakh Sanjeev, Mohammadreza Khorasaninejad, Alexander Y. Zhu |
---|---|
Rok vydání: | 2017 |
Předmět: |
Materials science
business.industry Guided-mode resonance Scanning electron microscope Bandwidth (signal processing) Fresnel lens 02 engineering and technology Chemical vapor deposition 021001 nanoscience & nanotechnology 01 natural sciences law.invention 010309 optics Optics Achromatic lens law 0103 physical sciences Focal length Optoelectronics 0210 nano-technology business |
Zdroj: | Conference on Lasers and Electro-Optics. |
Popis: | We demonstrate an achromatic metalens with a constant focal length over 60 nm bandwidth (λ= 490 nm to 550 nm). We also design metalenses with reverse chromatic dispersion, opposite of a Fresnel lens. |
Databáze: | OpenAIRE |
Externí odkaz: |