International Journal of Precision Engineering and Manufacturing,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
Abstract
Numerous
structures
at
the
nano
and
microscale
manifest
distinctive
properties
with
far-reaching
implications
across
diverse
fields,
including
electronics,
electricity,
medicine,
surface
engineering.
Established
methods
such
as
nanoimprint
lithography,
photolithography,
self-assembly
play
crucial
roles
in
fabrication
of
nano-
microstructures;
however,
they
exhibit
limitations
generating
high-aspect-ratio
when
utilizing
high-viscosity
photocurable
resins.
In
response
to
this
inherent
challenge,
we
propose
a
highly
cost-effective
approach
facilitating
direct
replication
structures,
specifically
nanowires,
through
utilization
anodized
aluminum
substrates.
This
study
elucidates
streamlined
process
for
multiscale
porous
surfaces
achieved
evaporation-induced
integration
solid
nanowires
printed
resin.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(27), P. 35361 - 35371
Published: June 28, 2024
Nanomaterials
shaped
as
rings
are
interesting
nanostructures
with
control
of
the
materials
properties
at
nanoscale.
Nanoring
plasmonic
resonators
provide
tunable
optical
resonances
in
near-infrared
application
sensing.
Fabrication
nanorings
can
be
carried
out
via
top-down
approaches
based
on
electron
beam
lithography
high
ring
size
parameters
but
cost.
Alternatively,
fabrication
self-assembly
has
a
higher
speed/lower
cost
parameters.
Current
colloidal
nanoring
over
large
areas
only
specific
and
select
set
(large
diameters
or
small
ultrathin
walls).
We
extend
Hole-mask
Colloidal
Lithography
to
use
holes,
allow
deposition
arbitrary
materials,
independent
tuning
ring-wall
thickness
range
values.
present
generic
approach
for
formed
from
including
low
(e.g.,
Cu,
Al)
nonplasmonic
W)
wall
diameter
allowing
applications
nanooptics
beyond.
Nanophotonics,
Journal Year:
2024,
Volume and Issue:
13(23), P. 4347 - 4356
Published: Sept. 27, 2024
Beam-steered
infrared
(IR)
light
communication
has
gained
tremendous
attention
as
one
of
the
solutions
congested
wireless
traffic.
High
performance
active
beam-steering
devices
play
a
crucial
role
in
data
allocation
and
exchange.
Conventional
such
spatial
modulator
(SLM)
micro-electrical
mechanical
system
(MEMS)
mirror
current
emerging
nonmechanical
metasurface-based
are
challenging
to
realize
large
tunable
steering
angle
beyond
several
degrees,
which
significantly
hinders
application
optical
communications
(OWC).
Herein,
an
angle-magnified
liquid
crystal
(LC)
metadevice
consisting
LC
metasurfaces
on
silicon
(LCoS)
is
proposed
beam
with
field
view
(FOV).
Based
metadevice,
intelligent
bidirectional
high-speed
OWC
experimentally
demonstrated,
achieving
actively
enlarged
FOV
20°
×
20°,
rate
200
Gbps
over
S/C/L
band
for
both
uplink
downlink
transmission
propagation
distance
1.5
m
free
space.
The
opens
new
avenue
future
high
transmission.
Abstract
Optical
metasurfaces
offer
innovative
approaches
to
manipulate
the
amplitude,
phase,
frequency,
and
polarization
of
light
in
localized
regions,
thus
paving
way
for
a
viable
technology
that
can
be
applied
various
domains,
including
structural
coloration,
multiplexed
holography,
high‐resolution
displays.
To
address
escalating
need
sophisticated
encryption,
novel
quadruple‐security
flexible
plasmonic
anti‐counterfeiting
platform
is
proposed
utilizes
printable
centimeter‐scale
(0.6
cm)
metasurfaces.
These
feature
four
distinct
signatures:
They
appear
as
color
images
under
ambient
incoherent
white
light,
while
projecting
up
three
different
holograms
red,
green,
or
blue
circularly
polarized
laser
illumination.
Such
holographic
nanoprintings
are
not
only
easily
authenticated
but
also
difficult
imitate,
offering
enhanced
security
applications.
The
design
these
multifunctional
metasurfaces,
which
encode
information
solely
surface
relief
single
polymeric
material
with
silver
coating,
allows
efficient
mass
production
through
UV
nanoimprinting
lithography.
Given
superior
performance
this
work
presents
tremendous
potential
fields
such
multi‐level
security,
cost‐effective
anti‐counterfeiting,
many
others.
International Journal of Precision Engineering and Manufacturing,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
Abstract
Numerous
structures
at
the
nano
and
microscale
manifest
distinctive
properties
with
far-reaching
implications
across
diverse
fields,
including
electronics,
electricity,
medicine,
surface
engineering.
Established
methods
such
as
nanoimprint
lithography,
photolithography,
self-assembly
play
crucial
roles
in
fabrication
of
nano-
microstructures;
however,
they
exhibit
limitations
generating
high-aspect-ratio
when
utilizing
high-viscosity
photocurable
resins.
In
response
to
this
inherent
challenge,
we
propose
a
highly
cost-effective
approach
facilitating
direct
replication
structures,
specifically
nanowires,
through
utilization
anodized
aluminum
substrates.
This
study
elucidates
streamlined
process
for
multiscale
porous
surfaces
achieved
evaporation-induced
integration
solid
nanowires
printed
resin.
