Tunable Supercontinuum Spectrum based on Liquid Crystal Filled Photonic Crystal Fiber
Physica Scripta,
Год журнала:
2025,
Номер
100(6), С. 065505 - 065505
Опубликована: Апрель 28, 2025
Abstract
Tunable
supercontinuum
generation
(SCG)
is
reported
and
analyzed
numerically
using
nematic
liquid
crystal
infiltrated
photonic
fiber
(NLC-PCF).
The
optical
properties
of
the
supported
modes
including
nonlinearity
dispersion
are
controlled
an
external
applied
voltage
or
temperature
due
to
NLC
infiltration.
modal
analysis
suggested
design
studied
full
vectorial
finite
element
method.
pulse
propagation
then
implemented
a
modified
nonlinear
Schrödinger
equation.
effects
geometrical
parameters,
rotation
angle
on
performance
investigated.
proposed
NLC-PCF
achieves
tunable
bandwidth
with
broadband
light
spectrum.
At
ϕ
=
90°
T
25°C,
SC
spectrum
equal
6681
nm
at
length
5
mm
λ
1550
nm.
Additionally,
0°,
11025
achieved
same
device
length.
SCG
has
advantages
large
high
tunability
relative
those
presented
in
literature
Язык: Английский
Development of tunable mid‐infrared laser at 10–25 μm
Microwave and Optical Technology Letters,
Год журнала:
2024,
Номер
66(8)
Опубликована: Авг. 1, 2024
Abstract
Ten
to
25
μm‐long‐wavelength
mid‐infrared
laser
has
broad
application
prospects
in
fields
such
as
military,
industrial,
medical,
and
spectroscopy.
Currently,
lasers
capable
of
emitting
10–25
radiation
include
CO
2
lasers,
solid‐state
quantum
cascade
infrared
supercontinuum
light
sources,
free
electron
lasers.
This
review
summarizes
the
development
status
these
five
types
providing
a
detailed
analysis
summary
their
operating
principles,
advantages,
limitations,
future
outlooks.
The
aim
is
offer
valuable
reference
information
for
related
research
promote
further
tunable
at
μm.
Язык: Английский