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Conferences > CLEO_Europe > 2015 > CH_P > CH_P_21
  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper CH_P_21

Beam focalization in reflections from flat subwavelength gratings

Y.C. Cheng, H. Zeng, J. Trull, C. Cojocaru, M. Malinauskas, T. Jukna, D. S. Wiersma, J. Redondo, and K. Staliunas

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Abstract

Recent development of advanced micro-fabrication technologies allowed engineering of subwavelength diffraction gratings (SWGs) in order to provide near field processing in compact micro-devices or optical sensing. We propose and demonstrate experimentally the near field focusing in reflections from the periodic SWGs, which comprises a flat focusing mirror without any optical axis.

© 2015 IEEE

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