Graph Digitizer & FWHM Angle Plotter
Extract distance vs. spatial width to plot true beam angles.
📂 Load FWHM Graph
↺ Clear Everything
1. Calibration
Set Graph Origin
Set X-Axis Reference (Distance)
Set Y-Axis Reference (FWHM)
Origin X Value
Origin Y Value
X-Ref Value (mm)
Y-Ref Value (mm)
2. Light Parameters
Physical Light Size (mm)
Subtracts near-field hardware spread.
3. Data Extraction
Clear Data Only
Click to Add Data Points
Dist.
FWHM
Angle
Average Beam Angle
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4. Manual Quick Calculator
Measured FWHM (mm)
Working Distance / LWD (mm)
Physical Light Size (mm)
Calculated Beam Angle
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Upload a graph to begin calibration.
Spatial Beam Shape Reconstruction
Top-Down 2D View