Microsphere-assisted laser speckle polarimetric microscopy
Journal of Applied Physics,
Год журнала:
2025,
Номер
137(6)
Опубликована: Фев. 12, 2025
This
paper
presents
a
robust
approach
to
polarimetric
microscopy
by
integrating
microsphere-assisted
microscopy,
dynamic
laser
speckle
analysis
(DLSA),
and
imaging.
DLSA
creatively
transforms
speckle-induced
imaging
challenges
into
opportunities,
while
simultaneously
overcoming
traditional
polarization
interpretation
difficulties
analyzing
sequence-based
variations
in
pattern,
caused
the
sample’s
responses
during
full
measurement.
The
inclusion
of
dielectric
microsphere
(MS)
significantly
increases
numerical
aperture
system,
enabling
capture
high-frequency
spatial
information.
A
proof-of-concept
experiment
is
conducted
on
standard
holographic
diffraction
grating
sample.
Results
obtained
from
several
graphical
statistical
analyses
demonstrate
significant
improvements
with
incorporation
silica
MS,
introducing
cost-effective
non-invasive
potential
applications
various
fields
requiring
high-precision
analyses.
Язык: Английский
Micro-Nanoparticle Characterization: Establishing Underpinnings for Proper Identification and Nanotechnology-Enabled Remediation
Polymers,
Год журнала:
2024,
Номер
16(19), С. 2837 - 2837
Опубликована: Окт. 8, 2024
Microplastics
(MPLs)
and
nanoplastics
(NPLs)
are
smaller
particles
derived
from
larger
plastic
material,
polymerization,
or
refuse.
In
context
to
environmental
health,
they
separated
into
the
industrially-created
“primary”
category
degradation
derivative
“secondary”
where
exhibit
different
physiochemical
characteristics
that
attenuate
their
toxicities.
However,
some
particle
types
more
well
documented
in
terms
of
fate
environment
potential
toxicological
effects
(secondary)
versus
industrial
fabrication
chemical
characterization
(primary).
Fourier
Transform
Infrared
Spectroscopy
(FTIR/µ-FTIR),
Raman/µ-Raman,
Proton
Nuclear
Magnetic
Resonance
(H-NMR),
Curie
Point-Gas
Chromatography-Mass
Spectrometry
(CP-gc-MS),
Induced
Coupled
Plasma-Mass
(ICP-MS),
Nanoparticle
Tracking
Analysis
(NTA),
Field
Flow
Fractionation-Multiple
Angle
Light
Scattering
(FFF-MALS),
Differential
Scanning
Calorimetry
(DSC),
Thermogravimetry
(TGA),
Mobility
Particle
[Sizing]
(DMPS),
Electron
Microscopy
(SEM),
Transmission
(TEM),
X-ray
Microspectroscopy
(STXM)
reviewed
as
part
a
suite
methods
for
ascertainment
distinguishment.
addition,
Optical-Photothermal
(O-PTIR),
Z-Stack
Confocal
Microscopy,
Mueller
Matrix
Polarimetry,
Digital
Holography
(DH)
touched
upon
cutting-edge
modes
characterization.
Organizations,
like
water
treatment
waste
management
industry,
those
groups
bring
awareness
this
issue,
which
direct
contact
with
hydrosphere,
can
utilize
these
techniques
order
sense
remediate
polymer
pollution.
The
primary
goal
review
paper
is
highlight
extent
pollution
introduce
its
effect
on
biodiversity
planet
while
underscoring
current
field
research.
secondary
involves
illustrating
theoretical
avenues
future
research
needs
address
optimize
MPL/NPL
remediation,
utilizing
nanotechnology,
before
sleeping
giant
problem
awakens.
Язык: Английский
Lensless Mueller Holographic Microscopy with Robust Noise Reduction for Multiplane Polarization Imaging
Опубликована: Янв. 1, 2024
Язык: Английский
Lensless Mueller holographic microscopy with robust noise reduction for multiplane polarization imaging
Optics & Laser Technology,
Год журнала:
2024,
Номер
181, С. 111936 - 111936
Опубликована: Окт. 9, 2024
Язык: Английский
Mueller matrix polarimetry for quantitative evaluation of the Achilles tendon injury recovery
Frontiers of Optoelectronics,
Год журнала:
2024,
Номер
17(1)
Опубликована: Дек. 9, 2024
Abstract
Achilles
tendon
injuries,
as
a
widely
existing
disease,
have
attracted
lot
of
research
interest.
Mueller
matrix
polarimetry,
novel
label-free
quantitative
imaging
method,
has
been
used
in
various
applications
lesion
identification
and
pathological
diagnosis.
However,
focusing
on
the
recovery
process
current
optical
methods
not
yet
achieved
precise
evaluation.
In
this
study,
using
injury
samples
were
characterized
specifically,
efficacy
different
schemes
was
evaluated
accordingly.
Experiments
indicate
that
injured
tendons
show
less
phase
retardance,
larger
diattenuation,
relatively
disordered
orientation.
The
combination
experiments
with
Monte
Carlo
simulation
results
illustrate
microscopic
mechanism
from
three
aspects,
is,
increased
fiber
diameter,
more
consistent
orientation,
greater
birefringence
induced
by
collagen
protein.
Finally,
based
statistical
distribution
polarization
measurements,
specific
characterization
parameter
extracted
to
construct
image,
which
cannot
only
intuitively
samples,
but
also
give
evaluation
treatment.
Graphical
Язык: Английский