NV Center ODMR — Magnetic Field Map

Optically detected magnetic resonance: zero-field splitting D = 2870 MHz, Zeeman splitting γ = 2.8 MHz/mT

ODMR Spectrum — Fluorescence Intensity vs Frequency
0.0 mT
Resonance Parameters
Current Values
B 0.0 mT
f₊ 2870 MHz
f₋ 2870 MHz
Splitting Δf 0 MHz
Formula 5.6 × B MHz
Physical constants
D = 2870 MHz (ZFS)
γNV = 2.8 MHz/mT
Δf = 2γB = 5.6B MHz
C = 30% contrast
Γ = 10 MHz linewidth
Splitting Δf vs Applied Field B
Physics Checks
Verification
P1: B=0 → single dip at 2870 MHz, splitting=0
P2: B=10 mT → f₊=2898, f₋=2842, Δf=56 MHz
P3: Splitting is linear in B