State-of-the-Art Polyurea Coatings: Synthesis Aspects, Structure–Properties Relationship, and Nanocomposites for Ballistic Protection Applications

G Toader, A Diacon, SM Axinte, A Mocanu, E Rusen - Polymers, 2024 - mdpi.com
This review presents polyurea (PU) synthesis, the structure–properties relationship, and
characterization aspects for ballistic protection applications. The synthesis of polyurea …

Synthesis of strontium oxide-zinc oxide nanocomposites by Co-precipitation method and its application for degradation of malachite green dye under direct sunlight

G Anandhakumari, P Jayabal, A Balasankar… - Heliyon, 2023 - cell.com
Photocatalysts workable under direct sunlight are the safe and cost-effective option for water
purification. The nanocomposites of strontium oxide and zinc oxide (SZ NCs) were …

[图书][B] Trace chemical sensing of explosives

RL Woodfin - 2006 - books.google.com
This timely book covers the most recent developments in the chemical detection of
explosives in a variety of environments. Beginning with a broad view of the need for and the …

Detection of explosives by differential hyperspectral imaging

T Dubroca, G Brown, RE Hummel - Optical Engineering, 2014 - spiedigitallibrary.org
Our team has pioneered an explosives detection technique based on hyperspectral imaging
of surfaces. Briefly, differential reflectometry (DR) shines ultraviolet (UV) and blue light on …

Ultra-violet and visible absorption characterization of explosives by differential reflectometry

T Dubroca, K Moyant, RE Hummel - Spectrochimica Acta Part A: Molecular …, 2013 - Elsevier
This study presents some optical properties of TNT (2, 4, 6-trinitrotoluene), RDX, HMX and
tetryl, specifically their absorption spectra as a function of concentration in various solvents …

Inline Characterization of Ultrathin Amorphous Silicon Stacks in Silicon Heterojunction Solar Cell Precursors With Differential Reflectance Spectroscopy

S Kumar, H Vahlman, S Al-Hajjawi… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
In this article, we present a characterization technique for thin-film layers on textured
surfaces with random pyramids using reflectance spectroscopy and an optical model based …

Differential reflection spectroscopy system and method for detecting explosives and other target materials

RE Hummel, AM Fuller, C Schollhorn… - US Patent …, 2008 - Google Patents
BACKGROUND The detection of traces of explosive materials is of utmost importance at the
present time due to the ongoing risk of terrorism. Detection devices should identify …

Single-sequence stable spectroscopic reflectometry using simultaneous measurement of incident light and reflected light

SY Lee, SW Lee, G Choi, Y Cho, HJ Pahk - Applied optics, 2021 - opg.optica.org
We proposed a new scheme of spectroscopic reflectometry (SR) that improves the stability
with respect to the intensity variations of the incident light and simplifies the measurement …

Developments on standoff detection of explosive materials by differential reflectometry

C Schöllhorn, AM Fuller, J Gratier, RE Hummel - Applied Optics, 2007 - opg.optica.org
Differential reflectometry (DR) is an effective tool to supplement existing explosives detection
systems thus making the combined unit more effective than one tool alone. It is an optical …

The limit of detection for explosives in spectroscopic differential reflectometry

T Dubroca, K Vishwanathan… - … Nuclear, and Explosives …, 2011 - spiedigitallibrary.org
In the wake of recent terrorist attacks, such as the 2008 Mumbai hotel explosion or the
December 25 th 2009" underwear bomber", our group has developed a technique (US …