Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 8, 2025
Three-dimensional
(3D)
printing
has
emerged
as
a
powerful
technology
for
rapidly
prototyping
optical
materials
and
components.
However,
controlling
fundamental
parameters
in
printed
remains
significant
challenge
due
to
the
difficulty
of
tailoring
internal
structures,
particularly
at
nanoscale.
Here
we
demonstrate
3D
printing-threading
gold
nanoplatelets
within
media
via
digital
light
processing
(DLP).
The
nanoplatelet-resin
(PNR)
composites
exhibit
intrinsic
wavevector
(k)
dispersion
before
after
nanoplatelet
threading
states.
By
exploiting
nanoplasmonic
chain
coupling
theory,
observed
enhanced
k
threaded
PNR
with
isofrequency
contour
tailored
from
isotropic
elliptical,
which
further
leads
spontaneous
emission
enhancement
rhodamine
dye
molecules
when
coated.
study
not
only
expands
capabilities
accessing
but
also
opens
up
new
avenue
development
innovative
properties.
Applied Physics Reviews,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: Feb. 27, 2025
Along
with
the
ever
expanding
frontiers
of
photonic
applications
as
world
is
fast
advancing
into
information
era,
there
a
growing
market
for
specialty
waveguides
and
fibers
requiring
sophisticated
structures
materials
that
conventional
manufacturing
technologies
meet
great
challenges
difficulties
to
accommodate.
Advanced
3D
printing
or
additive
possesses
flexibility
in
structure
diversity
material
emerging
an
essential
alternative
developing
novel
waveguides,
fibers,
devices
new
applications.
This
paper
reviews
printing-based
their
terms
basic
processing
techniques,
fundamental
principles
mechanisms,
current
research
development,
remaining
technical
problems
challenges.
APL Photonics,
Journal Year:
2025,
Volume and Issue:
10(4)
Published: April 1, 2025
Additive
manufacturing
(AM)
or
3D
printing
wholly
reinvents
the
making
of
metasurfaces/metamaterials
and
opens
new
opportunities
from
microwave
to
photonics.
Conventionally,
(engineered
control
electromagnetic
waves
strongly)
have
been
challenging
expensive
fabricate
using
traditional
techniques.
However,
AM
provides
an
innovative
turn
in
transforming
design
production
such
complicated
surfaces.
It
renders
flexibility,
efficiency,
economic
viability
fabrication
process,
enabling
rapid
prototyping
customization.
This
will,
therefore,
enable
times
be
shorter,
reduce
material
waste,
allow
creation
more
much
smaller
metasurface
structures
than
hitherto
unattainable.
Thus,
drives
strong
advancements
photonic,
applications
improved
performance
telecommunications,
wearable
sensors,
imaging
systems.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
Abstract
Terahertz
(THz)
technology
presents
significant
potential
in
non‐invasive
imaging,
spectroscopy,
and
high‐speed
wireless
communications.
With
the
recent
maturation
of
active
THz
devices,
passive
components
are
becoming
increasingly
important
for
enhancing
system
performance
broadening
application
scopes.
However,
functionality
existing
devices
is
constrained
by
materials
manufacturing
limitations.
To
address
these
challenges,
a
3D
printable,
low‐loss
composite
material
with
widely
controllable
refractive
index
sub‐wavelength
precision
developed.
By
incorporating
rutile
titanium
dioxide
nanopowder
increasing
UV
exposure
dose,
broad
tuning
range
(1.6
to
1.9),
along
an
absorption
coefficient
2.48
cm
−1
at
325
GHz
achieved.
This
facilitates
scalable,
flexible,
integrable
platform
designing
implementing
multifunctional
devices.
The
developed
nanocomposite
shown
printing
ultra‐thin‐THz‐lenses
that
exhibited
bit‐error‐rate
comparable
conventional
lens
designs
while
being
only
one‐third
thickness,
as
demonstrated
communication
testbed.
work
shows
tailored
additive
creating
high‐performance,
customizable,
scalable
device
designs,
paving
way
compact
platforms
sensing,
next‐generation
applications.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 8, 2025
Three-dimensional
(3D)
printing
has
emerged
as
a
powerful
technology
for
rapidly
prototyping
optical
materials
and
components.
However,
controlling
fundamental
parameters
in
printed
remains
significant
challenge
due
to
the
difficulty
of
tailoring
internal
structures,
particularly
at
nanoscale.
Here
we
demonstrate
3D
printing-threading
gold
nanoplatelets
within
media
via
digital
light
processing
(DLP).
The
nanoplatelet-resin
(PNR)
composites
exhibit
intrinsic
wavevector
(k)
dispersion
before
after
nanoplatelet
threading
states.
By
exploiting
nanoplasmonic
chain
coupling
theory,
observed
enhanced
k
threaded
PNR
with
isofrequency
contour
tailored
from
isotropic
elliptical,
which
further
leads
spontaneous
emission
enhancement
rhodamine
dye
molecules
when
coated.
study
not
only
expands
capabilities
accessing
but
also
opens
up
new
avenue
development
innovative
properties.
