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10th Anniversary of LSA: Collection on Optical Metrology and Detection
2022 marks the 10th anniversary of Light: Science & Applications (LSA). In the past decade, LSA has published hundreds of outstanding researches covering the fundamentals and applications in all areas of optics and photonics. From those published papers, we have picked some on Optical Metrology and Detection to share with you, our readers. We hope this collection can stimulate more researches and practices in related fields, and promote further progress in optics and photonics research.
This review focuses on chiral carbon dots, introducing their chemical syntheses, morphology and optical/chiroptical properties, and considering their emerging applications in sensing, bioimaging and catalysis.
This review categorizes deep-learning-based computational spectral imaging methods and provides insight into amplitude, phase, and wavelength-based light encoding strategies for deep-learning spectral reconstruction.
Single-photon emission from a single GaN/AlN quantum dot induced by continuous-wave laser excitation, leading to an optimum g(2)(0) = 0.17 at room temperature.
A measurement of PL intensity vs. excitation density, with the help of Raman, is shown capable of determine nearly all pertinent parameters of radiative and nonradiative recombination in a semiconductor.
The changes of global gaseous pollutants during the COVID-19 pandemic in early 2020 were retrieved from Chinese ultraviolet–visible hyperspectral satellite instrument through a series of remote sensing algorithm optimizations.
The plasmon-exciton interaction between gap-mode nanocavities and A excitons of MoS2 is investigated, and the longitudinal distribution of the plasmon-exciton interactions is obtained at ~1 nm spatial resolution.
Ultrafast terahertz conductivity spectroscopy reveals the formation of large polarons in CH3NH3PbI3, which protects the charge carriers from scattering with polycrystalline grain boundaries or defects and explains the long lifetime.
This review focuses on the advance of optical design from nano/micro to macro in SERS and SEIRA, especially on the optical coupling between nano/micro and macro scales.
A light-responsive and corrosion resistant gas valve with non-thermal effective liquid gating positional flow control under a constant pressure by incorporating dynamic gating liquid with light-responsiveness of solid porous substrate.
A MXene-GaN van der Waals Metal-Semiconductor Junctions based High Performance Multiple Quantum Well Photodetector was demonstrated, which shows great potential for underwater wireless optical communication and turbidity sensing.
A versatile high precision metrology instrument has been developed that surpass the limits of existing metrology techniques and opens up new possibilities to develop next-generation super-polished X-ray mirrors.
A photon-counting distributed free-space spectroscopy is proposed and demonstrated using lidar technique. It is suitable for remote spectrum analysis with range resolution over wide band.
An absolute characterization technique for microscope objectives is presented, working without a calibrated reference element. To achieve this, a reference wave is created by a sub-wavelength object.