Residual Al Adatoms Driven Epitaxy of AlGaN QWs for High‐Performance UV LEDs
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Materials"
DOI: 10.1002/adma.202501601
Abstract: AlGaN‐based ultraviolet (UV) light‐emitting diodes (LEDs) experience a notable reduction in efficiency within the 280–330 nm wavelength range, known as the “UVB gap”. Given the extensive applications of UV LEDs in this wavelength range, it… read more here.
Keywords: residual adatoms; wavelength range; uvb gap; growth ... See more keywords
The Pulsed Periodic Discharge in Mixtures of Ar with Sulfur Vapour
Sign Up to like & getrecommendations! Published in 2020 at "Plasma Chemistry and Plasma Processing"
DOI: 10.1007/s11090-020-10067-1
Abstract: The discharge in mixtures of inert gas with sulfur vapors is an effective source of radiation spectrum, which is similar to solar in the wavelength range of 280–600 nm due to strong emission of S 2… read more here.
Keywords: pulsed periodic; periodic discharge; sulfur vapour; wavelength range ... See more keywords
Bloch surface waves biosensing in the ultraviolet wavelength range – Bragg structure design for investigating protein adsorption by in situ Kretschmann-Raether ellipsometry
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.147869
Abstract: Abstract We designed a Bragg mirror structure with an SiO2 top layer to create a resonance in the ultraviolet wavelength range, near the absorption peak position of various proteins. We demonstrate that the wavelength of… read more here.
Keywords: ultraviolet wavelength; wavelength range; surface; structure ... See more keywords
Two 10 Gb/s directly modulated DBR lasers covering 20 nm wavelength range
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126236
Abstract: Abstract We report the application of two widely tunable directly modulated distributed Bragg reflector (DBR) lasers to cover over 20 nm wavelength. 10 Gb/s data are transmitted up to 30 km distance at different wavelengths… read more here.
Keywords: directly modulated; dbr lasers; two directly; wavelength range ... See more keywords
UV–Vis–NIR broadband response of GaAs-based photocathode with multilayer graded-band cascade structure
Sign Up to like & getrecommendations! Published in 2021 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2021.106957
Abstract: Abstract To improve the lattice matching, quantum efficiency and response range of the transmission-mode GaAs-based photocathode, a novel photocathode with multilayer graded-band cascade emission layer is proposed. The one-dimensional steady-state continuity equations and finite-difference time-domain… read more here.
Keywords: photocathode; quantum efficiency; wavelength range; gaas ... See more keywords
GeSn Lasers Covering a Wide Wavelength Range Thanks to Uniaxial Tensile Strain
Sign Up to like & getrecommendations! Published in 2019 at "ACS Photonics"
DOI: 10.1021/acsphotonics.9b00712
Abstract: Silicon photonics continues to progress tremendously, both in near-infrared datacom/telecoms and in mid-IR optical sensing, despite the fact a monolithically integrated group IV semiconductor laser... read more here.
Keywords: wide wavelength; gesn lasers; wavelength range; lasers covering ... See more keywords
Measurements of complex refractive index change of photoactive yellow protein over a wide wavelength range using hyperspectral quantitative phase imaging
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-21403-z
Abstract: A novel optical holographic technique is presented to simultaneously measure both the real and imaginary components of the complex refractive index (CRI) of a protein solution over a wide visible wavelength range. Quantitative phase imaging… read more here.
Keywords: protein; wavelength range; complex refractive; refractive index ... See more keywords
Imaging broadband soft X-ray transmission-grating spectrograph for a wavelength range λ > 111 Å
Sign Up to like & getrecommendations! Published in 2020 at "Quantum Electronics"
DOI: 10.1070/qel17350
Abstract: A family of aperiodic Mo/Be multilayer mirrors was designed for maximum uniform reflectivity in the ranges 111–138, 111–150, 111–200 and 111–222 A at normal radiation incidence. The simulations took into account the existence of Mo-on-Be… read more here.
Keywords: range 111; wavelength range; grating spectrograph; transmission grating ... See more keywords
Method to estimate the effective temperatures of late-type giants using line-depth ratios in the wavelength range 0.97-1.32 μm
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx2691
Abstract: The effective temperature, one of the most fundamental atmospheric parameters of a star, can be estimated using various methods, and here we focus on the method using line-depth ratios (LDRs). This method combines low- and… read more here.
Keywords: line depth; line; type giants; wavelength range ... See more keywords
A Wide Wavelength Range of 1 × 8 Optical Power Splitter With an Imbalance of Less Than ±1.0 dB on Silicon-on-Insulator Technology
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2762353
Abstract: A 1 × 8 optical splitter on silicon-on-insulator technology is demonstrated with less than ±1.0 dB imbalance for a wavelength range of 300 nm, in which, a multimode interference (MMI) structure is introduced into an optical power… read more here.
Keywords: imbalance; silicon insulator; wavelength range; splitter ... See more keywords
Spectral wavelength range influences the performance of chemometric models estimating various foliar functional traits
Sign Up to like & getrecommendations! Published in 2025 at "Methods in Ecology and Evolution"
DOI: 10.1111/2041-210x.70100
Abstract: Hyperspectral reflectance can potentially be used to non‐destructively estimate a diverse suite of plant physiochemical functional traits by applying chemometric approaches to leverage absorption features related to chemical compounds and physiological processes associated with these… read more here.
Keywords: wavelength range; performance; absorption features; wavelength ... See more keywords