Dielectric metasurface-assisted terahertz sensing: mechanism, fabrication, and multiscenario applications
Nanophotonics,
Год журнала:
2025,
Номер
14(3), С. 271 - 296
Опубликована: Янв. 30, 2025
Abstract
Terahertz
(THz)
technology
has
attracted
significant
global
interest,
particularly
in
sensing
applications,
due
to
its
nonionizing
feature
and
sensitivity
weak
interactions.
Recently,
owing
the
advantages
of
low
optical
loss
capability
support
both
electric
magnetic
high-quality
factor
(high-Q)
resonances,
dielectric
metasurfaces
have
emerged
as
a
powerful
platform
for
multiscenario
terahertz
applications.
This
review
summarizes
recent
advancements
metasurface-assisted
THz
sensing.
We
begin
with
an
overview
mechanisms
properties
high-Q
factors.
Next,
we
discuss
typical
fabrication
techniques
these
metasurfaces.
then
explore
diverse
applications
across
various
scenarios,
including
biomolecule
sensing,
biomedical
detection,
environmental
monitoring,
chiral
Finally,
provide
perspectives
on
future
development
this
promising
research
field.
Язык: Английский
New dual-peak High-performance structure utilizing terahertz metamaterial metasurface for concentration detection of H2 and CH4 gases
Optics & Laser Technology,
Год журнала:
2025,
Номер
186, С. 112728 - 112728
Опубликована: Март 9, 2025
Язык: Английский
3D-printable Kresling-embedded honeycomb metamaterials with optimized energy absorption capability
Smart Materials and Structures,
Год журнала:
2024,
Номер
33(12), С. 125008 - 125008
Опубликована: Окт. 28, 2024
Abstract
Kresling
origami
structure
has
attracted
significant
interest
for
achieving
extraordinary
mechanical
properties.
In
this
study,
we
proposed
a
new
strategy
to
develop
3D-printable
Kresling-embedded
honeycombs
(KEHs)
based
metamaterials
and
achieve
optimized
energy
absorption
capability.
By
exploiting
the
twisted
deformation
modes
boundary
constraints,
various
KEH
reinforced
were
designed,
where
their
behaviors
properties
investigated
using
finite
element
analysis
quasi-static
compression
tests.
Effects
of
orientation
twisting
angle,
constraint
crease
tilting
angle
on
these
studied
optimize
Finally,
incorporated
arrays
in
both
2D
3D
structures
studied.
Both
experimental
simulation
results
showed
that
achieved
much
more
stable
higher
capabilities
than
those
traditional
honeycomb
structures.
This
study
provides
novel
reinforcement
printed
with
dramatically
expand
practical
applications.
Язык: Английский
Plug-and-play terahertz multifunctional metadevices based on metal waveguide arrays and 3D printed structures
Virtual and Physical Prototyping,
Год журнала:
2024,
Номер
19(1)
Опубликована: Ноя. 28, 2024
The
emergence
of
metadevices
has
provided
an
unprecedented
ability
to
manipulate
electromagnetic
waves,
especially
in
the
terahertz
band
where
natural
materials
are
scarce.
However,
most
have
fixed
and
singular
functions
after
fabrication,
making
them
challenging
adapt
various
application
scenarios.
paper
proposes
a
reconfigurable
multifunctional
platform
that
integrates
metal
waveguide
arrays
with
3D
printed
structures,
capable
independently
simultaneously
manipulating
polarisation,
phase,
amplitude
two
orthogonally
polarised
waves.
For
proof-of-concept
experimental
demonstration,
featuring
polarisation
selection,
beam
deflection,
dual-channel
imaging
designed,
fabricated,
characterised.
By
replacing
reconfiguration
between
different
is
achieved,
control
efficiency
exceeding
60%.
Compared
traditional
semiconductor
processing
methods,
this
modular
design
approach
not
only
more
cost-effective
but
also
adaptable,
it
highly
suitable
for
applications
requiring
large-scale
metadevices.
Язык: Английский