Journal
APPLIED PHYSICS LETTERS
Volume 105, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4902405
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Funding
- MOST of China [2010CB630705, 2012CB921502]
- NSF of China [11204127, 11474157, 11034005, 61475070]
- MOE of China (SRFDP) [20120091120033]
- Jiangsu Province [BK2012301]
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In this letter, we report a full-metallic broadband wave plate assembled by standing metallic L-shaped stereostructures (LSSs). We show that with an array of LSSs, high polarization conversion ratio is achieved within a broad frequency band. Moreover, by rotating the orientation of the array of LSSs, the electric components of the reflection beam in two orthogonal directions and their phase difference can be independently tuned. In this way, all the polarization states on the Poincare sphere can be realized. As examples, the functionalities of a quarter wave plate and a half wave plate are experimentally demonstrated with both reflection spectra and focal-plane-array imaging. Our designing provides a unique approach in realizing the broadband wave plate to manipulate the polarization state of light. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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