Tunable wide bandstop and narrow bandpass filters based on one-dimensional ternary photonic crystals comprising defects of silver nanoparticles in water

KM Abohassan, HS Ashour, MM Abadla - Journal of Physics and Chemistry …, 2022 - Elsevier
In this study, we propose a novel structure comprising a one-dimensional photonic crystal of
ZnSe/Nb 2 O 5/BK7 as a tunable wide bandstop filter to cover the visible range of 500–800 …

Novel amorphous Al-rich Al2O3 ultra-thin films as active photocatalysts for water treatment from some textile dyes

SS Shenouda, MSA Hussien, B Parditka, A Csík… - Ceramics …, 2020 - Elsevier
Although Al 2 O 3 is considered photocatalytically inactive, in this research, novel Al-rich Al 2
O 3 ultra-thin films are employed for the first time as fast and active photocatalysts for water …

Fabrication of amorphous Al2O3 optical film with various refractive index and low surface roughness

Y Lan, Y Zou, X Ma, L Xu, L Shi… - Materials Research …, 2020 - iopscience.iop.org
Abstract Alumina (Al 2 O 3) thin film has been widely used in many applications due to its
excellent properties, especially in optical films and semiconductor industries. Refractive …

Optical and morphological studies of aluminium oxide films fabricated at different leaning angles using ion assisted E-Beam deposition technique

VSRSP Kumar, M Kumar, N Kumari, AL Sharma - Optik, 2020 - Elsevier
Present work describes the evaporation of aluminium oxide (Al 2 O 3) in the form of thin films
on glass and silicon substrates at different leaning angles (10− 80°) using Ion-Assisted E …

Tantalum oxide thin films for electrochemical pH sensor

N Sharma, M Kumar, N Kumari, A Deep… - Materials Research …, 2020 - iopscience.iop.org
Present work demonstrates the fabrication and utilization of tantalum oxide (Ta 2 O 5) thin
films as prominent pH sensing electrode material. Ta 2 O 5 film of 1 μm thickness was …

Spectroscopic and morphological studies of SiO2 graded index thin films fabricated at oblique incidence angles

SRSPK Vemuri, M Kumar, N Kumari, AL Sharma - Optical Materials, 2020 - Elsevier
The present paper reports the fabrication of single layer graded index SiO 2 thin films at
various oblique incidence angles by using Static glancing angle deposition (GLAD) setup …

[HTML][HTML] Optimal design and analysis of refractive index and thickness gradient optical films

C Wang, J Wang, H Du, J Wang - Results in Optics, 2021 - Elsevier
Gradient optical films have potential applications in instrumentation, display technology,
avionics and other fields, it is usually plated on the instrument lens to transmit or reflect the …

Multilayer ultraviolet reflective coating based on atomic layer deposited aluminum oxide and fluoride

Z Huang, DC Messina, BS Eller, FA Koeck… - Journal of Vacuum …, 2021 - pubs.aip.org
Ultraviolet optical coatings employ wide bandgap dielectric materials due to their
characteristic low absorption. High-reflectivity and antireflective coatings are essential for …

Passive optoelectronic elements

M Ab Rahman, NA Talik, MAM Sarjidan… - Metal Oxides for …, 2022 - Elsevier
This chapter discusses the attractive elements in optoelectronics and photonics with respect
to passive elements based on metal oxide (MO) materials. To date, MO-based elements …

Long-pass edge interference filters designing in NIR spectral range for Raman spectroscopy

AA Shatskaya, KV Cherepanov… - 2021 International …, 2021 - ieeexplore.ieee.org
The model of the longpass interference filter on thin dielectric films was developed for the
Raman spectroscopy system. The main advantages and disadvantages of the designing …