WebbThe authors also demonstrate that the upconversion system has a spatial resolution of approximately 30 μm at a wavelength of 488 nm. This impressive capability is estimated … Webb6 apr. 2024 · Here we use time- and angle-resolved photoemission spectroscopy to observe the primary step of singlet fission in crystalline pentacene. Our results indicate a charge-transfer mediated mechanism ...

Parametric upconversion imaging and its applications - Optica

Webb13 sep. 2024 · In mobile underwater acoustic (UWA) communications, the Doppler effect causes severe signal distortion, which leads to carrier frequency shift and compresses/broadens the signal length. This situation has a more severe impact on communication performance in the case of low signal-to-noise ratio and variable-speed … Webb14 nov. 2016 · In this letter, we demonstrate 2D upconversion imaging of incoherent weak mid-IR light in a power of 31 fW with the QE up to 28%. The designed wavelength … simple home page using html and css

[1811.11870] Anisotropic structural dynamics of monolayer …

Webb13 apr. 2024 · As predicted by the theory, the parametric gain presents a quadratic dependence with the pump power (i.e., a slope of 2 dB/dBm). c) Decimated output of the POD for the different pump powers and estimated passive gain, which remains close to the design value ( q ∼ = 9 $\tilde{q}=9$ ) independently of the pump power. Webb4 maj 2016 · Developing effective and versatile photocatalytic systems is of great potential in solar energy conversion. Here we investigate the formation of supramolecular catalysts by electrostatic self-assembly in aqueous solution: Combining positively charged porphyrins with negatively charged polyelectrolytes leads to nanoscale assemblies … Webb15 nov. 2010 · Experiments have been performed to evaluate the use of parametric laser image upconversion in proustite to convert 10.6-microm illuminated objects into visible … raw material information form