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. 2020 Jun 16;10:9731. doi: 10.1038/s41598-020-66476-x

Table 1.

Summary of metamaterial microbolometer design properties.

VO2 substrate dimensions 52 × 52 × 0.20 mm3
Metasurface envelope Inline graphic50 × 0.027 μm3
Maximum Absorption 99.94%
Ti electrode dimensions (2) 46.0 × 1.0 × 0.25 μm3
Resistance, R 100 kΩ
Bias Current, Ib 5 μA
Temperature Rise, ΔTIb 4.0 K
TCR, β 0.03 1/K
Thermal Conductance, Gth 2.45 × 10−7 W/K
Thermal Capacitance, Cth 1.34 × 10−9 J/K
Thermal Time Constant, τth 5.3 ms
Maximum Responsivity, Rv 24.7 × 103 V/W @ 60 Hz
Maximum Detectivity, D* 1.5 × 109 cmHz/W @ 60 Hz