Time-resolved optical fiber measurements: a review of scintillator materials and applications
Radiation Detection Technology and Methods,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
Background
Optical
fiber
radioluminescence
measurement
(OFRLM)
is
a
cutting-edge
technique
poised
to
play
major
role
in
radiation
detection
and
dosimetry.
Time-resolved
involves
capturing
the
temporal
dynamics
of
light
emission
from
scintillators,
providing
detailed
information
about
pulses.
Objective
This
review
aims
evaluate
various
scintillator
materials
used
time-resolved
OFRLM
systems
their
critical
importance
ionizing
Content
The
article
discusses
properties
materials,
including
organic,
inorganic,
composite
compositions,
highlights
unique
suitability
for
measurements
with
systems.
Performance
characteristics,
advantages,
limitations
different
are
thoroughly
reviewed.
Conclusion
provides
insights
into
optimal
selection
systems,
offering
criteria
improving
performance
facilitating
advancements
Язык: Английский
Unleashing the Potential of Defect Engineered Persistent Pr3+‐Activated Phosphors for Multi‐Dimensional Anti‐Counterfeiting and X‐Ray Imaging Applications
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Abstract
Persistent
luminescence
(PersL)
in
inorganic
phosphors
offers
great
potential
for
anti‐counterfeiting
and
optical
storage,
with
optimization
of
PersL,
multicolor
tuning,
defect
engineering.
This
study
presents
a
Ca
3
Ga
2
Ge
O
12:
Pr
3+
(CGGO:Pr)
phosphor
long‐lasting
PersL
emissions.
Aliovalent
codoping
Er
Yb
ions
optimizes
deep/shallow
trap
redistribution,
controlling
depths
from
0.98
to
optimal
0.73
eV
through
the
creation
new
shallow
electron
traps
(Yb
•
,
)
alongside
existing
V
levels.
The
smart
/Er
/Yb
:CGGO
exhibits
three‐dimensional
visible
emissions
under
275
380
nm
excitation,
as
well
upconversion
980
laser
irradiation.
Hybrid
density
functional
calculations,
thermoluminescence,
positron
annihilation
lifetime
spectroscopy
revealed
nature
different
PersL.
Together,
single
system
featuring
has
been
developed,
exhibiting
improved
regulated
(≈0.73
eV)
suitable
robust
multimodal
documents,
pharmaceuticals,
industrial
products.
Furthermore,
composite
PMMA‐CGGO:Pr
films
have
shown
remarkable
capability
X‐ray
imaging,
achieving
resolution
4
lp/mm,
which
exceeds
that
commercial
Gd
S:Tb
screens.
These
findings
highlight
this
work
advanced
imaging
applications,
offering
enhanced
controlled
depths.
Язык: Английский
Single activator doped fluoride nanoparticles for X-ray excited high-resolution and delayed flexible nonplanar imaging
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 156406 - 156406
Опубликована: Окт. 1, 2024
Язык: Английский
Investigating the Mechanism of Rare-Earth Ion Incorporation into Glass–Ceramic Crystal Phases through Er3+ Ion Probe Characteristics
Nanomaterials,
Год журнала:
2024,
Номер
14(18), С. 1479 - 1479
Опубликована: Сен. 11, 2024
Exploring
the
intrinsic
mechanisms
of
rare-earth
ions
entering
crystal
phase
has
great
significance
for
finely
tuning
luminescent
properties
glass-ceramics.
Using
Er
Язык: Английский
Fluorescence of europium activated by molecular-like silver clusters for the detection of alkaline phosphatase activity
Talanta,
Год журнала:
2024,
Номер
281, С. 126892 - 126892
Опубликована: Сен. 17, 2024
Язык: Английский
Ultrafast Room‐Temperature Synthesis of Yb3+/Er3+ Codoped K3ZrF7 Nanocrystals for Thermal Enhancement of Upconversion
Huhui Fu,
Wenfeng Xie,
Yuanqi Qian
и другие.
Laser & Photonics Review,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Abstract
Lanthanide
(Ln
3+
)‐doped
upconversion
nanocrystals
(NCs)
have
attracted
great
attention
due
to
their
outstanding
luminescent
performance
and
wide
applications
in
various
fields.
However,
the
preparation
of
most
Ln
‐doped
NCs
requires
rigorous
conditions
such
as
high
reaction
temperature,
long
time,
strict
anhydrous
oxygen‐free
environment,
tedious
post‐treatment
process.
Herein,
sub‐100
nm
Yb
/Er
codoped
K
3
ZrF
7
octahedral
are
prepared
by
an
extremely
simple
coprecipitation
method
(10
s
only
at
room
temperature).
The
resulting
show
excellent
luminescence
(UCL),
significantly
superior
both
conventional
high‐temperature‐synthesized
counterparts
room‐temperature‐synthesized
NaBiF
4
:Yb/Er
controls.
More
importantly,
abnormal
thermally
enhanced
UCL
over
a
temperature
range
from
473
is
found
these
NCs,
making
them
promising
candidates
for
ratiometric
thermometry
applications.
By
employing
intensity
ratio
between
two
non‐thermally
coupled
energy
levels
Er
,
namely
F
9/2
2
H
11/2
display
extraordinarily
absolute
sensitivity
443.2%
−1
comparatively
large
relative
1.55%
temperature.
These
results
reveal
that
can
not
be
facilely
via
ultrafast
room‐temperature
synthesis,
but
also
hold
potential
areas
optical
sensing
biological
Язык: Английский