A scientific paper has been published highlighting new implications for engineered nanophotonics, using combined nanoscale FTIR and s-SNOM chemical imaging. The paper is by the Centre for Advanced Solid and Liquid based Electronics and Optics at The University of New South Wales.
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Follow @blue_scientificNew Implications for Engineered Nanophotonics
A scientific paper has been published highlighting new implications for engineered nanophotonics, using combined nanoscale FTIR and s-SNOM chemical imaging. The paper is by The University of New South Wales (UNSW) Centre for Advanced Solid and Liquid based Electronics and Optics (CASLEO).
The new research provides insights into phonon-polaritons (PhPs) in thin layered crystals of hexagonal boron nitride (hBN) on SiO2/Si wafers.
The study used the Bruker Anasys nanoIR3-s Broadband, an advanced nanoscale FTIR spectroscopy and s-SNOM imaging system.
About CASLEO
The Centre for Advanced Solid and Liquid based Electronics and Optics aims to create new materials and systems that impact the well-being of people for the better. Past developments have been a significantly influence in the areas of liquid metals, sensors, electronic materials, optics, microfluidics, and medical devices.
Professor Kourosh Kalantar-Zadeh led the group to the invention of the first ingestible chemical sensor successfully tested in humans. The group’s achievemenents also include the concept of liquid metals as reaction media, and the first report on chemical vapour deposition of 2D metal chalcogenides.

Resolving Features for the First Time
Professor Kourosh Kalantar-Zadeh’s multidisciplinary group combined scattering-SNOM single-wavelength imaging and broadband scattering IR nanospectroscopy to resolve features in near-field amplitude spectra that have never been observed before.
Their research systematically studied the near-field auxiliary signatures on the hBN layers between supported and suspended boundary conditions. This detailed information about the influence of local boundaries has significant implications for engineering and the creation of nanophotonic heterostructures for advanced sensing applications.
[testimonial author=”Professor Kourosh Kalantar-Zadeh, University of New South Wales”]The capability of the nanoIR3-s Broadband exceeded our expectations. The signal-noise-ratio is superb. As such, we could obtain spectra as clear as spectra of a conventional FTIR at nanoscale resolutions. Excitingly, we could see new vibrational features that are generated by the boundaries that have not been reported previously.[/testimonial] [testimonial author=”Dr. Jiong Yang, University of New South Wales”]The wavenumber range of the nanoIR3-s Broadband is from 670 cm-1 to 4,000 cm-1 which is beyond any other system in the market, allowing us to observe spectra that have not been seen by other researchers. The system’s stability, combined with the exceptionally high-power broadband laser, leads to new horizons in nanoscale spectroscopy.[/testimonial]Read the Scientific Paper
The research is published in a paper on ACS Nano (DOI: 10.1021/acsnano.9b08895):
[mini-icon icon=”arrow-right”] Scientific paper on ACS Nano [testimonial author=”Dean Dawson, Bruker nanoIR”]We designed the nanoIR3-s Broadband system to comprehensively address the requirements for nanoscale FTIR broadband spectroscopy and high-resolution imaging for a wide range of demanding applications. We are delighted that Dr. Kalantar-Zadeh’s excellent team at CASLEO has put the system so quickly through its paces for such impactful research.[/testimonial]Bruker Anasys nanoIR3-s Broadband
The nanoIR3-s Broadband uniquely provides nanoscale imaging and spectroscopy over the entire mid-infrared spectral range (2.5 to 15 μm / 4000 to 670 cm-1). This is achieved by coupling with a broadband light source based on a femtosecond OPO/DFG laser.
As well as high laser power and wide spectral range, the laser source can also switch its line-width for imaging and spectroscopy.

- Highest performance spectroscopy and imaging
- Ideal for 2D materials and graphene
- Nanoscale material property mapping
- Environmental control options
Application Notes
- 2D Materials Characterisation using Nanoscale FTIR Spectroscopy and Near-Field Imaging
- Spatiospectral Nanoimaging of Surface Phonon Plasmons
More Information
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