Optics

Current

Automatically assembling nanolenses

A team of researchers has created a scalable production method for a class of nanoscale lenses using the electrostatic forces between charged nanoparticles, enabling wider application of the technology.

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Ultrathin holograms open doors to 3D displays

A team from RMIT University and Beijing Institute of Technology have fabricated the world’s thinnest hologram – and it could revolutionise the way we interact with everyday technologies.

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Folding plasmene nanosheets

Professor Wenlong Cheng has been investigating how to make an unusual class of materials with exotic properties and unprecedented real-world applications.

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Twisting light for faster internet

With the advent of fibre optic networks the bandwidth of the internet increased dramatically. To decrease bottlenecks in next-generation internet speeds, current electronic switches are being replaced with optical equivalents.

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Nanoscale optical circuits for light-speed information processing

The speed of the internet is largely reliant upon optical fibres which carry information, and the electronic devices used to encrypt and decrypt. This project looks at creating optical circuits smaller than the wavelength of light, to provide extremely high processing speeds.

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Metal nanoparticles lead the way towards solar water decontamination

It has long been known that solar energy can be used to create electricity for heating and lighting. However, it can be also used to drive important chemical transformations such as the creation of low-cost water purification for developing countries.

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Black silicon sensors for molecular contamination

Black silicon provides a unique platform for a non-reflecting, all-direction-absorbing surface, which can be used for sensing and fingerprinting of molecular and microbial contamination. This is done by sensing the light scattered in air, water, food, body fluids by various compounds.

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Ultra-thin optical sensors for the detection of toxic chemicals

Current chemical sensors pose a variety of inhibitors to their use such as cost, portability and reproduceability. Development of a new, ultra-thin, 2D optical material enables the rapid, sensitive and inexpensive detection of toxic chemicals in air, water and soil.

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Archive

Thinner, faster electronics and data transfer devices

Research into two dimensional, atomically thin materials such as Graphene, is opening the doors for a new generation of electronics that are thinner, faster and more robust than ever before.

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Nanoscale antennas the future of telecommunications

Researchers from the University of Melbourne and CSIRO have developed nanometer sized optical antenna based on every-day radio frequency designs. The novel designs are focused enhancing radiation from a single photon emitter.

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Self-assembling gold nanorods show huge potential

Nanostructures fabricated with metal nanoparticles hold great promise for applications in biosensing, optical analysis, computing and solar energy conversion. One approach looks at programming the spontaneous self-assembly of nanoparticles into the desired architecture.

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Detecting chirality of biological molecules

Many biological molecules are chiral, meaning that they come in left-handed and right-handed forms even though they are chemically identical. Detecting these forms is important as their handedness affects their interactions.

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SEM images of high accuracy nanostructures

In this project a set of processes were developed to fabricate nano-scale metal structures in order to study their interaction with visible light. The ultimate goal is to incorporate these structures into all-optical signal-processing devices.

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Enhancing sensing applications

In sensing applications, it is necessary to create strong light field enhancement on a nanoscale. The challenge is to increase the light field enhancement, which is limited by the “sharpness” of the edges and corners of nanoparticles and is linked to fabrication resolution.

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Vertical arrays of gold nanorods achieved

Fabrication of novel self-assembling metallic nanostructures shows great potential for applications in biosensing, optical analysis, computing and solar energy conversion.

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Manipulating hot spots to increase biosensor sensitivity

Through the characterisation of gold nanoparticle surface assemblies and the manipulation of their electric field hot spots, researchers at MCN and Monash University are looking to increase the sensitivity of biosensors.

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Photonic circuitry from the noble metals

Researchers from MCN and Monash University are collaborating to fabricate linear arrays of nanocrystals using the Focused Ion Beam-Scanning Electron Microscope.

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