2013
DOI: 10.2528/pierb12101611
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Approximate Model for Universal Broadband Antireflection Nano-Structure

Abstract: Abstract-In this work, we investigate the effect of broadband antireflection of a medium by a layer of embedded nano-cavities arranged near the surface. It is shown that this structure is versatile and allows near 100% transmittance in a wide spectral range practically for any dielectric material. The approximate model of nano-structured layer is suggested that allows to determine the parameters of the system necessary for achieving antireflection of any a priori given media without complicated numerical calcu… Show more

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Cited by 9 publications
(3 citation statements)
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“…Human eyes are sensitive to green light but less responsive to the photon in the blue and red regions 39 . Owing to the MEIS geometry‐assisted light‐manipulation, the SnO 2 /MEIS‐ITO manifests a unique broadband anti‐reflection mimicking the moth‐eye 25,28,29 . Notably, the reflection spectra of our SnO 2 /MEIS‐ITO precisely matches well with the human luminosity curve.…”
Section: Resultsmentioning
confidence: 57%
See 1 more Smart Citation
“…Human eyes are sensitive to green light but less responsive to the photon in the blue and red regions 39 . Owing to the MEIS geometry‐assisted light‐manipulation, the SnO 2 /MEIS‐ITO manifests a unique broadband anti‐reflection mimicking the moth‐eye 25,28,29 . Notably, the reflection spectra of our SnO 2 /MEIS‐ITO precisely matches well with the human luminosity curve.…”
Section: Resultsmentioning
confidence: 57%
“… 24 This evolutionary advancement provides moth night vision capability and other unique functions. Notably, the MEIS is a broadband anti‐reflecting layer, 25,26 and its surface geometry offers a possibility to alter reflection spectra and optical appearance 27‐29 . Additionally, human visual perception is different to photons at a different wavelength 30 .…”
Section: Introductionmentioning
confidence: 99%
“…In principle, the optical radiance resulting from a wavefront passing through a structured surface may be calculated using rigorous coupled-wave analysis (RCWA) [25][26][27] or finite difference (FDTD or FDFD) computations. [28][29][30][31] However, unless the numerical simulations are applied on SWG or periodic structures, they are a computationally tedious process, especially for random surfaces with varying-scale boundary conditions, as it requires extensive size arrays and fine-grid sampling. Assumptions and simplifications are applied to predict the spectral transmittance and reflectance of a structured surface, depending on the application at hand.…”
Section: Introductionmentioning
confidence: 99%