What question did this study set out to answer?

To investigate the propagation of light through a three-dimensional gold helix metamaterial and evaluate its function as a compact broadband circular polarizer.

August 21, 2009Science

Gold Helix Photonic Metamaterial as Broadband Circular Polarizer

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Authors

JGJustyna K. GanselKarlsruhe Institute of Technology MTMichael ThielUniversity of Lucerne MRMichael Stefan RillCarl Zeiss (Germany)

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Implication

Experimental study demonstrates broadband circular polarization filtering in gold helix metamaterials, highlighting potential for compact optical devices.

Key Points

To investigate the propagation of light through a three-dimensional gold helix metamaterial and evaluate its function as a compact broadband circular polarizer.
Fabricated 3D gold helices arranged on a 2D square lattice using direct laser writing into a positive-tone photoresist followed by gold electrochemical deposition.
Analyzed light transmission along the helix optical axis across broad frequency bands for both circular polarization handednesses.
The metamaterial selectively blocked circularly polarized light matching the handedness of the helices while transmitting light of the opposite handedness.
Polarization filtering remained effective over a broad operational frequency range exceeding one octave, with physical scalability to other target spectra.

Cite This Study

Gansel et al. (2009) studied this question.

synapsesocial.com/papers/69df13d5b8d7e945666145da https://doi.org/10.1126/science.1177031

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August 21, 2009Science

Gold Helix Photonic Metamaterial as Broadband Circular Polarizer

View Full Paper

Ask AI

Bookmark

Authors

JGJustyna K. GanselKarlsruhe Institute of Technology MTMichael ThielUniversity of Lucerne MRMichael Stefan RillCarl Zeiss (Germany)

Discussion

Member takes

Implication

Experimental study demonstrates broadband circular polarization filtering in gold helix metamaterials, highlighting potential for compact optical devices.

Key Points

To investigate the propagation of light through a three-dimensional gold helix metamaterial and evaluate its function as a compact broadband circular polarizer.
Fabricated 3D gold helices arranged on a 2D square lattice using direct laser writing into a positive-tone photoresist followed by gold electrochemical deposition.
Analyzed light transmission along the helix optical axis across broad frequency bands for both circular polarization handednesses.
The metamaterial selectively blocked circularly polarized light matching the handedness of the helices while transmitting light of the opposite handedness.
Polarization filtering remained effective over a broad operational frequency range exceeding one octave, with physical scalability to other target spectra.

Cite This Study

Gansel et al. (2009) studied this question.

synapsesocial.com/papers/69df13d5b8d7e945666145da https://doi.org/10.1126/science.1177031

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