|
|
|
VO2 Phase Change Characteristic Test System |
|
Model Number: STA-VOP |
|
|
|
Vanadium dioxide (VO2) is a kind of metal oxide with
phase transition property. Its phase transition temperature is
68℃, which can induce reversible metal-insulator phase
transition of VO2. With the phase transition, the
crystal structure, resistance, infrared light transmittance,
refractive index and magnetic susceptibility of VO2
change dramatically. It is precisely because of the phase
transition temperature near room temperature and the sudden
change of physical and chemical properties before and after
phase transition that VO2 has a very wide application
prospect in the fields of intelligent temperature control film,
optical device, electronic device and optoelectronic device,
military protection device, etc. |
|
|
|
■
VO2 Phase Change
Characteristic Test System |
|
|
|
|
|
|
|
■
Experiment
Example |
|
|
|
The
VO2 sample is heated
by laser irradiation, and the
laser power through VO2
sample is monitored in real
time, and then the real-time
transmittance and other
parameters of VO2
sample are obtained, which can
be used to study the phase
transition characteristics of VO2. |
|
|
 |
 |
|
VO2 phase
change characteristic test schematic |
The
transmittance curve of VO2 at
near infrared with temperature |
|
|
|
|
■
Features |
|
|
-
Integrated
system design and simple operation
-
Dual
optical path design, real-time monitoring of
laser power
-
The test sample
holder can be customized according to the
test sample
-
Real time
measurement of laser power through VO2 samples
-
The measurement
results are intuitive and storable for
subsequent processing and analysis
|
