The colloidal quantum dot photodetector stack employs materials compliant with the Restriction of Hazardous Substances directives and is sensitive in the spectral range from 350 nm to 1,600 nm. The room-temperature detectivity is of the order of 1012 Jones, the 3 dB bandwidth is in ...
NIR-II fluorescence imaging uses photoluminescent contrast agents — including carbon nanotubes, quantum dots, rare earth-doped nanocrystals, gold nanoclusters, small molecules and their aggregates — and fluorescent proteins, which all exhibit fluorescence in the 1,000–3,000 nm range. After ...
Mid-IR.The intermediate IR band,also called the mid-IR band, covers wavelengths that range from 1,300 nm to 3,000 nm, or 1.3 microns to 3 microns. Frequencies range from 20 THz to 215 THz. Far-IR.Wavelengths in the far-IR band, which are closest to microwaves, extend from 3,000 ...
The infrared spectrum is the wavelength range from 3,000 nm to 10,000 nm whereas the near-infrared spectrum is the range from 800 – 2500 nm. Since the energy carried by light (photons) is inversely proportional to the wavelength, IR light has low energy due to its long wavelengths. For...
IR spectra, in the 2300–1300 cm− 1 region, obtained after dosing Bz (equilibrium pressure in the 0.05–40 mbar range) on dehydrated imogolite. Inset shows the OH stretch range of the red (grey in the print version) spectrum (equilibrium pressure of 5.0 mbar). Different spectra are ...
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[1] A laboratory experiment was devised to measure transmission at fine spectral resolution through thick, high-quality samples of CO2 ice over an extended wavelength range. The absorption coefficient throughout the ultraviolet and near-infrared spectral ranges 0.174–1.8 μm (5555–57,470 cm−1...
The anisotropic refractive indices of Ta2NiS5in visible and MIR range were then plotted in Fig.1d,e, respectively. As expected, the in-plane refractive index of Ta2NiS5exhibits significant anisotropy, especially when the wavelength is greater than ~580 nm. In the visible range, the dominant...
In a first run the a-Si/SiO2 layers were deposited followed by Al2O3 deposition without breaking the vacuum or turning off the plasma source. The entire coating run was controlled and monitored with a broadband optical monitoring system (wavelength range of 250 nm to 2200 nm) on an ...
The wavelengths at which infrared thermometers are sensitive define the range of temperatures that can be measured. To make measurements of thermal radiance in the melting range of plastics (150–400 °C), it is necessary to monitor at wavelengths longer than approximately 1,800 nm where the rad...