Integrate the time-derivative waveform to calculate the magnetic-field pulse waveform
02 / 04
NUMERICAL LOCK-IN ANALYSIS
High-performance numerical lock-in architecture for signal analysis
Rotate the lock-in X/Y vector to align its phase with the response from the zero-area-loop Sagnac interferometer
Calculate the Kerr angle from the phase-aligned signal and display it in mrad
TIME · 0.0 msμ₀Hpeak ≈ 100 T
μ₀HLI XLI Y
0.0 msX 0.0 mVY 0.0 mV
- RAW X/Y
- X -3.2 / Y +5.4 mV
- PHASE ROTATION
- 0.0°
- ALIGNED Y′
- LI Y′ +5.4 mV
RAW X/YALIGNED X/Y
KERR ANGLEθK, peak ≈ -9.8 mrad
Pulsed-field MOKE measurement workflow. The pulsed field defines the common time axis for lock-in X/Y extraction, phase alignment, and Kerr-angle calculation.