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Opt Express. 2013 Jan 14;21 Suppl 1:A111-22. doi: 10.1364/OE.21.00A111.

Polarization-sensitive perfect absorbers at near-infrared wavelengths.

Author information

  • 1State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, China.

Erratum in

  • Opt Express. 2013 Mar 11;21 Suppl 2;A229-30.


Three different types of polarization-sensitive perfect absorbers are designed and numerically investigated. The bottle-like and the cup-like absorbers are narrowband absorbers, which strongly absorb light of a specific polarization and reflect almost all light of another polarization. By varying the geometric parameters, their absorption peaks can be tuned from 1300 nm to 2300 nm and 700 nm to 1400 nm, respectively. The broadband absorber is polarization-sensitive as well, exhibiting an average absorption efficiency of 88% over a wide range of wavelength (700-2300 nm). The proposed absorbers may have potential applications in polarization detectors, polarizers etc.

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