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- Title
Plasmonic Micro Lens for Extraordinary Transmission of Broadband Light.
- Authors
Saxena, Sumit; Chaudhary, Raghvendra Pratap; Singh, Abhay; Awasthi, Saurabh; Shukla, Shobha
- Abstract
Extraordinary transmittance and focusing of light in quasi far field region using miniaturized optical devices is a daunting task. A polarization independent, broadband, planar metallic transmissive micro aperture capable of achromatically focusing visible light in quasi far field region is proposed. The calculated enhancement factor of transmission efficiency was about ~2.2. The total transmission after the aperture is about 60%. This high throughput focusing device will open new avenues for focusing electromagnetic energy in the wide area of sensors and energy concentration.
- Subjects
MICROLENSES; LIGHT transmission; FRAUNHOFER region (Electromagnetism); OPTICAL devices; OPTICAL apertures; ELECTROMAGNETIC waves; DETECTORS
- Publication
Scientific Reports, 2014, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep05586