Coupling mid-infrared “idler” photons with near-infrared “signal” photons enables cheaper, smaller and more efficient machines for uses such as greenhouse gas monitoring to medical diagnostics.
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Vibrational spectroscopy technique enables nanoscale mapping of molecular orientation at surfaces
Sum-frequency generation (SFG) is a powerful vibrational spectroscopy that can selectively probe molecular structures at ...
Plasmonic nanogap confinement extends sum frequency vibrational spectroscopy to the nanoscale, enabling direct imaging of ...
A single gold nanoparticle tends to absorb within a narrow band. Much of its strongest response sits in visible wavelengths. In the new work, the scientists packed many particles into a tight, crystal ...
CEA‑Leti has presented new research showing advances in the integration of quantum cascade lasers with silicon photonic ...
Interesting Engineering on MSN
Lavender-powered sodium batteries: Scientists turn floral waste into energy storage
An international research team has identified electrochemical presodiation as the superior strategy for stabilizing ...
Sum-frequency generation (SFG) is a powerful vibrational spectroscopy that can selectively probe molecular structures at ...
CEA-Leti today presented new research at SPIE Photonics West highlighting major progress in the integration of quantum cascade lasers (QCLs) with silicon photonic platforms for mid-infrared (MIR) ...
By combining adiabatic optical coupling, silicon-based feedback and cavity engineering, and ultra-compact laser concepts, CEA ...
Strategically designing heterostructures incorporating highentropy metal particles and carbon fibers can enhance the defect ...
For decades, bulky spectrometers have been the main tools for understanding how things are made of chemicals (a thing called composition). Spectrometers are a type of lab equipment that uses prisms or ...
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