Femtosecond laser writing of telecom-band depressed-cladding waveguides and mode modulation in SK1310 glass
Optical Materials,
Год журнала:
2025,
Номер
159, С. 116651 - 116651
Опубликована: Янв. 7, 2025
Язык: Английский
Model Design and Study of a U-Channel Photonic Crystal Fib Optic Sensor for Measuring Glucose Concentration in Blood
Sensors,
Год журнала:
2025,
Номер
25(9), С. 2647 - 2647
Опубликована: Апрель 22, 2025
This
research
introduces
a
biosensor
utilizing
surface
plasmon
resonance
in
photonic
crystal
fiber
(PCF)
configuration.
PCF
uses
fused
silica
as
the
base
material,
with
layer
of
gold
placed
over
U-channels
cross-section
to
create
resonance.
There
are
three
different
sizes
internal
optic
air
hole
diameters,
larger
channel
circle
below
u-channel
for
formation
an
energy
leakage
window.
COMSOL
software
6.0
assisted
us
tuning
structure
and
performance
study,
structural
parameters
analyzed
mainly
include
diameter,
spacing,
profundity
measurement
polished
layer,
nanoscale
size
variation
metal
films.
The
results
simulation
study
show
that
optical
sensor
achieves
refractive
index
(RI)
responsiveness
across
1.30
1.41
range,
RI
interval
1.40
1.41,
exhibits
largest
peak
shift,
its
highest
sensitivity
reaches
10,200
nm/RIU,
smallest
full
width
at
half
(FWHM)
corresponds
1.34
value
4.8
nm,
figure
merit
(FOM)
895.83
(1/RIU).
software,
was
used
simulate
changes
blood
corresponding
glucose
concentrations,
detection
concentrations
tested.
Then,
concentration
75
mg/dL–175
mg/dL
is
3750
where
maximum
5455
nm/RIU.
It
shows
can
be
applied
field
biomedical
applications,
convenience,
fast
response,
high
sensitivity,
it
has
great
potential
development
prospect
market.
Язык: Английский
Multi-resonance enhanced photothermal synergistic fiber-optic Tamm plasmon polariton tip for high-sensitivity and rapid hydrogen detection
Opto-Electronic Science,
Год журнала:
2025,
Номер
0(0), С. 240029 - 240029
Опубликована: Янв. 1, 2025
Язык: Английский
Machine Learning-Assisted Optimization of Femtosecond Laser-Induced Superhydrophobic Microstructure Processing
Photonics,
Год журнала:
2025,
Номер
12(6), С. 530 - 530
Опубликована: Май 23, 2025
Superhydrophobic
surfaces
have
garnered
significant
attention
due
to
their
pivotal
roles
in
various
fields.
Femtosecond
laser
technology
provides
a
feasible
means
for
inducing
superhydrophobic
microstructures
on
material
surfaces.
However,
the
unclear
influence
mechanisms
of
process
parameters,
as
well
high
cost
and
time-consuming
nature
experiments,
identifying
optimal
femtosecond
processing
parameters
within
space
remains
challenge.
To
address
this
issue,
optimization
framework
that
couples
machine
learning
genetic
algorithms
was
proposed
successfully
applied
laser-induced
groove
structures
TC4
alloy
Firstly,
based
64
sets
experimental
data,
effects
power,
scanning
speed,
interval
micro-groove
wetting
properties
were
discussed
detail.
Furthermore,
by
utilizing
small
sample
dataset,
employed
establish
prediction
model
contact
angle,
among
which
support
vector
regression
demonstrated
predictive
accuracy.
Three
additional
dimensional
variables,
i.e.,
number
effective
pulses,
energy
deposition
rate,
roughness,
also
added
original
dataset
vectors
extra
dimensions
participate
guide
training
process.
The
further
coupled
into
algorithm
achieve
quantitative
design
processing.
Compared
best
hydrophobicity
angle
designed
improved
5.5%.
method
an
ideal
solution
accurately
predicting
processes,
thereby
accelerating
development
application
microstructures.
Язык: Английский