Ultrafast Nano-Spectroscopy

Ultrafast pump-probe nanoscopy enables study of dynamic processes in nano-materials by providing time-resolved spectroscopy with nanoscale spatial resolution. This e-book summarizes pioneering applications collection studies related to ultrafast science using ultrafast pup-probe nanoscopy. A novel breakthrough technology with amazing funding success-rates, influencing already diverse research areas. Download E-Book

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nanoscale analysis of inorganic materials

This E-Book summarizes applications of nanoscale investigation of inorganic materials in energy-storage, mineralogy, archaeology and corrosion sciences.

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Nanoscale Imaging for Ultrahigh Resolution Displays

Researchers at the University of Stuttgart equipped with a neaSCOPE have now succeeded to observe switching processes at unattained nanometer resolution. 

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nano-FTIR reveals cell membrane penetration mechanism of enveloped virus e.g. COVID at nanoscale

Researchers from Georgia employed nano-FTIR spectroscopy and IR nanoscale imaging for investigating how individual enveloped viruses (CoV, IFV, HIV, Ebola, etc.) enter into a host cell, revealing new membrane penetration mechanisms and inhibition processes for antiviral therapies.

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Nanoscale analysis of polymer nanostrcutures

Download E-Book About this E-Book: Nanocomposite polymers, multilayer thin films, nanofibers and other polymer nanoforms often offer new properties or enhanced performance compared to bulk materials, demanding tools for chemical analysis with nanoscale spatial resolution for their investigations. nano-FTIR and s-SNOM are two leading techniques for nanoscale chemical mapping and identification. This E-Book shows applications of…

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Tracking slow nanolight in natural hyperbolic metamaterial slabs

neaspec’s neaSCOPE was used by researchers at the CIC nanoGUNE to visualize how light moves in time and space inside an exotic class of matter known as hyperbolic materials. For the first time, ultraslow pulse propagation and backward propagating waves in deep subwavelength-scale thick slabs of boron nitride – a natural hyperbolic material for infrared light – could be observed.

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Terahertz near-field microscopy below 30nm spatial resolution

neaspec developed a ready-to-use terahertz system that is capable of achieving a spatial resolution of 30 nanometers.

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Nano-imaging probes molecular disorder in organic semiconductors

Using nano-FTIR neaSCOPE it could be shown that thin-film organic semiconductors contain regions of structural disorder. These could inhibit the transport of charge and limit the efficiency of organic electronic devices.

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Ultrafast spectroscopy of electronic nano-motion in nanowires

The neaSCOPE microscope equipped with a THz illumination unit were applied in ultrafast spectroscopy to take snapshots of super-fast electronic nano-motion. The scientists were able to record a 3D movie of electrons moving at the surface of a semiconductor nanowire.

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Controlling Graphene plasmons with resonant antennas & conductivity patterns

neaspec’s neaSCOPE microscope allows for launching and controlling light propagating along graphene, opening new venues for extremely miniaturized photonic devices and circuits

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nano-FTIR probes secondary structure of single protein complexes

nano-FTIR beats the diffraction limit in infrared bio-spectroscopy and probes secondary structure in individual protein complexes

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Plasmon Mapping on Graphene with neaSCOPE

Two independent research teams have successfully used their neaSCOPE infrared near-field microscopes for laying down a ghost: visualizing Dirac plasmons propagating along graphene, for the first time.

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Mapping local conductivity in semiconductor devices

Near-field microscopy at infared and terahertz frequencies allows to quantify free carrier properties at the nanoscale without the need of electrical contacts.

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Identification of materials in semiconductor devices

Based on their unique near-field spectral signature infrared-active materials can be identified with neaSCOPE.

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Characterization of optical surface waves

Infrared near-field microscopy allows to study the propagation of surface waves in the infrared spectral regime. Amplitude and phase resolved near-field images reveal local interference effects or enable the determination of the complex wave vector of surface waves. Surface waves can be excited in the mid-infrared spectral regime by e.g. metal structures on Silicon Carbide…

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Studying superlensing and meta-materials

Direct verification of superlensing can be achieved by near-field microscopy as the local field transmitted by a superlens can be investigated in the near-field of the lens.

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Infrared nanofocusing on transmission lines

Direct visualization of infrared light transportation and nanofocusing by miniature transmission lines is possible by amplitude- and phase-resolved near-field microscopy.

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Analyzing optical nano-antennas

Amplitude and phase resolved near-field mapping of the local field distribution on resonant IR antennas can be used to analyze the antenna design and its functionality.

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Nanoscale phase transitions

The high spatial resolution of infrared near-field microscopy allows for detailed studies of phase transitions in materials like the insulator-to-metal transition of vanadium dioxide (VO2) thin films.

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Non-invasive imaging of stress/strain fields

Mapping nanoscale stress/strain fields around nanoindents in the surface of Silicon Carbide (SiC) crystals. Compressive/tensile strain occurs in bright/dark contrast respectively.

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