Thermal Imager Pixel IR Absorption Analyzer

Thermal Imager Pixel · Infrared Absorption Analyzer · Transfer Matrix Method
TMM · λ 1–10 μm
Wavelength Range
Pixel Layer Structure (Top → Bottom)
TiN Film Titanium Nitride
nm
Ω·cm
VOx Film Vanadium Oxide
nm
PECVD Si₃N₄ Film Silicon Nitride
nm
Air Gap n=1.0, k=0
nm
Al Mirror Aluminum Mirror
nm
Ω·cm
ℹ Note: Complex refractive index of TiN and Al is auto-corrected via the Drude model from resistivity. Manually entered n, k values are blended 50/50.
Absorption Spectrum vs. Wavelength
A(λ) = 1 − R(λ) − T(λ)
Avg. Absorptance
Full range
Peak Absorptance
@ — μm
8–12 μm Average
LWIR band
3–5 μm Average
MWIR band
Layer Stack Diagram