Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(11)
Published: Nov. 30, 2023
Abstract
The
concept
of
a
quasi‐bound
state
in
continuum
(QBIC)
has
garnered
significant
attention
various
fields
such
as
sensing,
communication,
and
optical
switching.
Within
metasurfaces,
QBICs
offer
reliable
platform
that
enables
sensing
capabilities
through
potent
interactions
between
local
electric
matter.
Herein,
novel
terahertz
(THz)
biosensor
based
on
the
integration
QBIC
with
graphene
is
reported,
which
multidimensional
detection.
proposed
distinctive
because
its
ability
to
discern
concentrations
ethanol
N‐methylpyrrolidone
wide
range
from
100%
0%,
by
monitoring
changes
resonance
intensity
maximum
wavelet
coefficient.
This
approach
demonstrates
an
excellent
linear
fit,
ensures
robust
quantitative
analysis.
remarkable
sensitivity
our
it
detect
minute
low‐concentration
solutions,
lowest
detection
concentration
value
(LDCV)
0.21
pg
mL
−1
.
2D
coefficient
cards
are
effectively
constructed
continuous
transforms,
presents
more
accurate
for
determining
solution.
Ultimately,
offers
host
advantages,
including
heightened
reusability.
pioneering
establishes
new
avenue
liquid‐based
biosensing.
IEEE Transactions on Instrumentation and Measurement,
Journal Year:
2023,
Volume and Issue:
72, P. 1 - 83
Published: Jan. 1, 2023
Terahertz
(THz)
technology
has
firmly
established
itself
as
an
effective
sensing
and
nondestructive
testing
technique
for
the
detection
of
substances
physico-chemical
evaluation
materials
structural
systems
since
its
first
emergence
almost
three
decades
ago.
To
date,
both
effectiveness
accuracy
this
have
been
extensively
demonstrated
in
a
myriad
applications
across
spectrum
research
development
all
way
to
process
analytical
technology,
quality
control,
testing,
health
monitoring.
These
are
generally
enabled
by
production
availability
advanced,
versatile,
robust,
highly
accurate,
industrially
rugged
THz
spectroscopy
imaging
systems,
unique
properties
waves
compared
with
other
electromagnetic
waves,
well
advancements
electronics,
photonics,
metamaterial
development.
This
article
presents
comprehensive
state-of-the-art
state-of-the-practice
review
analyzes
role
metamaterials
enhancing
resolution
sensitivity
systems.
The
study
also
provides
general
overview
fundamentals
discusses
suitability
variety
real-world
application
scenarios
(
e.g
.
composites'
defect
evaluation,
paints
coatings
thickness
measurement
characterization,
biomolecule
detection,
xmlns:xlink="http://www.w3.org/1999/xlink">etc
.).
Aspects
such
noise
caused
presence
barriers,
challenges
experimental
implementations
operability
long
times
required
acquire
images,
limited
customizability
portability
currently
available
discussed.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(11)
Published: Nov. 30, 2023
Abstract
The
concept
of
a
quasi‐bound
state
in
continuum
(QBIC)
has
garnered
significant
attention
various
fields
such
as
sensing,
communication,
and
optical
switching.
Within
metasurfaces,
QBICs
offer
reliable
platform
that
enables
sensing
capabilities
through
potent
interactions
between
local
electric
matter.
Herein,
novel
terahertz
(THz)
biosensor
based
on
the
integration
QBIC
with
graphene
is
reported,
which
multidimensional
detection.
proposed
distinctive
because
its
ability
to
discern
concentrations
ethanol
N‐methylpyrrolidone
wide
range
from
100%
0%,
by
monitoring
changes
resonance
intensity
maximum
wavelet
coefficient.
This
approach
demonstrates
an
excellent
linear
fit,
ensures
robust
quantitative
analysis.
remarkable
sensitivity
our
it
detect
minute
low‐concentration
solutions,
lowest
detection
concentration
value
(LDCV)
0.21
pg
mL
−1
.
2D
coefficient
cards
are
effectively
constructed
continuous
transforms,
presents
more
accurate
for
determining
solution.
Ultimately,
offers
host
advantages,
including
heightened
reusability.
pioneering
establishes
new
avenue
liquid‐based
biosensing.
