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説明:

We demonstrate such behavior using a flat slab (0.15 micron) of the low-loss, natural hyperbolic material, hexagonal boron nitride. This thin natural hyperlens exhibits wavelength-dependent multifunctional operations, offering both imaging of single objects with down to lambda/32 resolution (0.4-micron at lambda=12.8 micron), as well as enabling up to 4.2x magnification, which can be explained based on the volume-confined, wavelength dependent propagation angle of Type I hyperbolic polaritons. Our results open up exciting new possibilities for guiding and sensing of light at an extreme sub-diffractional scale.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Hyperbolic materials, phonon polariton, near-field optical

刊行年月日: 2015-06-26

出版者: Springer Science and Business Media LLC

掲載誌:

• Nature Communications (ISSN: 20411723) vol. 6 issue. 1 7507

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1038/ncomms8507

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更新時刻: 2025-02-27 16:30:23 +0900

MDRでの公開時刻: 2025-02-27 16:30:23 +0900