Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Focusing of Light in the Eye

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Comparison of the properties of two-dimensional and three-dimensional percolating networks of nanoparticles.

Physical review. E·2025

Same author

Complexity of brain-like signals in self-organised nanoscale networks.

Neural networks : the official journal of the International Neural Network Society·2025

Same author

Realizing zero-threshold population inversion <i>via</i> plasmonic doping.

Nanoscale·2025

Same author

The reversible capillary field effect transistor: a capillaric element for autonomous flow switching.

Lab on a chip·2025

Same author

Mesoporous Metal Sponges Produced by Explosive Decomposition.

Chemphyschem : a European journal of chemical physics and physical chemistry·2024

Same author

Surveying the Directional Transport of Water Droplets upon Impact on Metallic Topographic Gradients.

ACS applied materials & interfaces·2024

Search research articles

Related Experiment Video

Updated: Jun 21, 2026

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Published on: September 8, 2017

An improved transfer-matrix model for optical superlenses.

Ciaran P Moore¹, Richard J Blaikie, Matthew D Arnold

¹Department of Electrical and Computer Engineering, MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.

|August 6, 2009

Summary

A refined transfer-matrix model improves optical superlens analysis by accounting for interactions with shadow masks. This enhanced model offers greater accuracy for characterizing planar superlensing systems.

More Related Videos

Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

Published on: August 16, 2012

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Related Experiment Videos

Last Updated: Jun 21, 2026

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Published on: September 8, 2017

Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

Published on: August 16, 2012

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Area of Science:

Optics
Materials Science
Nanotechnology

Background:

Planar optical superlenses offer sub-diffraction imaging capabilities.
Traditional transfer-matrix methods for superlens analysis can be inaccurate due to unconsidered interactions.

Purpose of the Study:

To investigate the limitations of simple transfer-matrix models for planar optical superlenses.
To develop an improved transfer-matrix model that incorporates superlens-shadow mask interactions.

Main Methods:

Comparison of a simple transfer-matrix model with an extended model that approximates shadow mask reflections.
Validation against finite element models (FEM).
Characterization of superlenses with silver monolayer and multi-layer structures.

Main Results:

The simple transfer-matrix model exhibits defects when analyzing superlenses interacting with shadow masks.
The extended transfer-matrix model, approximating shadow mask reflections from a uniform metal layer, significantly improves accuracy.
The modified model shows much better agreement with FEM results for both single and multi-layer silver superlenses.

Conclusions:

Neglected interactions between superlenses and shadow masks limit the accuracy of simple transfer-matrix analyses.
The proposed extended transfer-matrix model provides a more accurate and computationally efficient method for characterizing planar optical superlensing systems.
This improved model is crucial for the design and application of advanced superlensing technologies.