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Terahertz synthetic aperture in-line holography with intensity c... We demonstrate high-resolution and high-quality terahertz (THz) in-line digital holography based on the synthetic aperture method. The setup is built on a self-developed THz quantum cascade laser, and a lateral resolution better than 70 μm (
Microfluidic integrated metamaterials for active terahertz photo... ... gives rise to a damping of THz waves. The parallel coupling of the damping effect induced by a depletion layer with the resonant response by metamaterials leads to an excellent modulation depth approaching 90% in intensity and a great difference over 210
Burst behavior due to the quasimode excited by stimulated Brillo... ... ”, is excited by stimulated Brillouin scattering (SBS) in high-intensity laser–plasma interactions. Also SBS of the quasimode competes with ... ) is an important saturation mechanism of SBS in high-intensity laser–plasma interactions. These results give a cle
High-speed optical secure communication with external noise sour... ... communication. A 10 Gb/s on-off keying signal is secretly transmitted over 100 km standard single-mode fiber. The intensity-modulated message is secured by the encryption mechanism, which is composed of an external noise source and an internal time- ...
Introduction to the Special Issue on Fluorescence Lifetime Imagi... ... , chemistry, and other related research fields, due to its ability to illustrate both localization of specific fluorophores and fluorophores' local microenvironment, and it is superior to fluorescence intensity based imaging. However, the FLIM imaging sp
Green emitted CdSe@ZnS quantum dots for FLIM and STED imaging ap... Inorganic quantum dots (QDs) have excellent optical properties, such as high fluorescence intensity, excellent photostability and tunable emission wavelength, etc., facilitating them to be used as labels and probes for bioimaging. In this study, CdSe@ZnS ...
Aggregation-induced emission luminogen for in vivo three-photon ... ... deep tissue. However, the weak three-photon fluorescence signals may be not well presented in the traditional fluorescence intensity imaging mode. Fluorescence lifetime of certain probes is insensitive to the intensity of the excitation laser. Moreover, ...
Effects of air bubbles on underwater optical wireless communicat... The received signal intensity fluctuation and communication performance of an underwater optical wireless communication (UOWC) system under the ... are tested to fit the fluctuation of the signal intensity at the receiving end. The best fitting distribution ...
Robust and rapidly tunable light source for SRS/CARS microscopy ... We present a fully automated laser system with low-intensity noise for coherent Raman scattering microscopy. The robust two-color system is pumped by a solid-state oscillator, which provides Stokes pulses fixed at 1043 nm. The tunable pump pulses of 750 ...
Review on TNSA diagnostics and recent developments at SPARC_LAB Interaction between high-intensity lasers with solid targets is the key process in a wide range of novel laser-based particle accelerator schemes, as well as electromagnetic radiation sources. Common to all the processes is the generation of femtosecond ...

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