Mengbing Huang
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View article: Impact of high-temperature annealing on hafnia-silica composite coatings deposited via ion beam sputtering for high-peak power 1064 nm lasers
Impact of high-temperature annealing on hafnia-silica composite coatings deposited via ion beam sputtering for high-peak power 1064 nm lasers Open
The maximum power handling fluence of high-peak and average power laser systems is often limited by the laser damage of the coatings on optical components. Furthermore, these multilayer dielectric coatings are limited in their maximum powe…
View article: Improving the laser performance of ion beam sputtered dielectric thin films through the suppression of nanoscale defects by employing a xenon sputtering gas
Improving the laser performance of ion beam sputtered dielectric thin films through the suppression of nanoscale defects by employing a xenon sputtering gas Open
Laser damage-prone precursors in high index materials such as hafnia are believed to be the primary limiter in the performance of dielectric multilayer films to advance ultra-high power and energy laser applications. Removing or suppressin…
View article: Investigation of UV, ns-laser damage resistance of hafnia films produced by electron beam evaporation and ion beam sputtering deposition methods
Investigation of UV, ns-laser damage resistance of hafnia films produced by electron beam evaporation and ion beam sputtering deposition methods Open
Laser-induced damage in coating materials with a high index of refraction, such as hafnia, limits the performance of high power and high energy laser systems. Understanding the underlying physics responsible for laser damage holds the key …
View article: Engineered telecom emission and controlled positioning of Er <sup>3+</sup> enabled by SiC nanophotonic structures
Engineered telecom emission and controlled positioning of Er <sup>3+</sup> enabled by SiC nanophotonic structures Open
High-precision placement of rare-earth ions in scalable silicon-based nanostructured materials exhibiting high photoluminescence (PL) emission, photostable and polarized emission, and near-radiative-limited excited state lifetimes can serv…
View article: Origin and effect of film sub-stoichiometry on ultraviolet, ns-laser damage resistance of hafnia single layers
Origin and effect of film sub-stoichiometry on ultraviolet, ns-laser damage resistance of hafnia single layers Open
Understanding the origin of laser damage-prone precursors in high index materials such as hafnia holds the key to the development of laser damage-resistant multilayer dielectric coated optics for high power and energy laser systems. In thi…
View article: The impact of nano-bubbles on the laser performance of hafnia films deposited by oxygen assisted ion beam sputtering method
The impact of nano-bubbles on the laser performance of hafnia films deposited by oxygen assisted ion beam sputtering method Open
Hafnia is a high refractive index material used in the manufacturing of dielectric coatings for next generation lasers. The formation of defects during deposition is the major barrier to realizing high laser-damage resistant coatings for f…
View article: Effects of forming gas annealing on luminescence properties of erbium silicate thin films
Effects of forming gas annealing on luminescence properties of erbium silicate thin films Open
While hydrogen passivation has led to enhanced luminescence in many erbium doped materials, its effects on Er oxides/silicates compounds has rarely been demonstrated. Here we report effects of forming gas annealing on the luminescence prop…
View article: Rapid and Accurate Automatic Temperature Calibration of Disposable Screen-printed Heated Gold Electrodes
Rapid and Accurate Automatic Temperature Calibration of Disposable Screen-printed Heated Gold Electrodes Open
Joule-heated electrodes have been used to enhance electrochemical analysis. Due to such direct heating, a steep temperature gradient is created near the electrode surface. The heating device that provides the high-frequency AC (50 kHz or m…
View article: Rapid and Accurate Automatic Temperature Calibration of Disposable Screen-printed Heated Gold Electrodes
Rapid and Accurate Automatic Temperature Calibration of Disposable Screen-printed Heated Gold Electrodes Open
Joule-heated electrodes have been used to enhance electrochemical analysis. Due to such direct heating, a steep temperature gradient is created near the electrode surface. The heating device that provides the high-frequency AC (50 kHz or m…
View article: Photoluminescence properties of polystyrene-hosted fluorophore thin films
Photoluminescence properties of polystyrene-hosted fluorophore thin films Open
We report on a photo-luminescence study of four different fluorophores: Coumarin 6, 2,5-Diphenyloxazole (PPO), 1,4-Bis(5-phenyl-2-oxazolyl)benzene (POPOP) and Para-terpehnyl (PTP), doped in a polystyrene-based thin film. All of the samples…