All-dielectric metasurface based on Particle Swarm Optimization algorithm for generating high-purity vortex pulses
Optics Communications,
Год журнала:
2025,
Номер
unknown, С. 131812 - 131812
Опубликована: Март 1, 2025
Язык: Английский
可重构超表面研究进展及应用（特邀）
杨蕾 YANG Lei,
熊浩然 XIONG Haoran,
吴翰铭 WU Hanming
и другие.
Infrared and Laser Engineering,
Год журнала:
2025,
Номер
54(3), С. 20240620 - 20240620
Опубликована: Янв. 1, 2025
Transparent and Tunable Radar‐Infrared Bi‐Stealth Metamaterial Based on Water and Metallic Mesh for Optical Window Applications
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
Abstract
In
this
paper,
we
present
a
transparent
and
tunable
radar‐infrared
bi‐stealth
metamaterial
consisting
of
an
infrared
shielding
layer
(IRSL),
radar‐absorbing
(RAL),
water
substrate,
metal
meshed
reflective
backplane.
The
IRSL
consists
array
indium
tin
oxide
square
patches,
reducing
emissivity
transmitting
microwaves.
the
RAL,
ultrathin
metallic
meshes
with
different
periods
are
integrated
into
one
to
broaden
microwave
absorption
bandwidth.
Moreover,
substrate
facilitates
tunability
performance
via
its
fluidity.
Experimental
measurements
simulations
indicate
that
fabricated
sample
can
achieve
over
90%
within
wide
frequency
range
3.6–15.8
GHz
relative
bandwidth
126%.
band
be
further
switched
3.6–5.9
11.2–13.8
by
simply
adjusting
thickness.
addition,
low
≈0.37
is
achieved
in
atmospheric
window
(8–14
µm),
while
measured
average
optical
transmittance
reaches
65.5%
at
400–800
nm.
main
advantage
proposed
compatibility
across
visible,
infrared,
regions
simultaneous
realization
high
transparency,
reduced
emissivity,
broadband
switchable
absorption.
Given
these
multiple
functionalities
superior
performances,
has
great
application
potential
aircraft
windows,
glass
curtain
walls
buildings,
counter‐surveillance
devices,
wireless
communication
systems.
Язык: Английский
Phase Change Materials for Next-Generation Defense Applications
IGI Global eBooks,
Год журнала:
2025,
Номер
unknown, С. 297 - 314
Опубликована: Июнь 4, 2025
Phase
Change
Materials
(PCMs)
provide
an
innovative
solution
for
heat
regulation,
storage
of
energy,
and
adaptive
concealment
in
advanced
defence
applications.
facilitate
effective
thermal
control
military
equipment,
wearable
systems,
infrastructure
by
taking
releasing
latent
during
phase
transitions,
hence
improving
operational
reliability
troop
comfort
harsh
conditions.
Furthermore,
change
materials
enhance
stealth
technologies
regulating
surface
temperatures,
diminishing
infrared
fingerprints,
facilitating
camouflage.
This
study
examines
recent
breakthroughs
PCM
technology,
integration
techniques
problems
related
to
durability,
scalability,
real-time
responsiveness,
emphasising
their
potential
substantially
improve
mission
capability
survivability
contemporary
conflict.
Язык: Английский