Simulation and System Design of a 3D Metrology Optical System Based on a Bidirectional OLED Microdisplay

Table 1

System parameters of the paraxial lens design of the 3D sensor system (see Figure 6).

Spectral range projection-imaging	Visible
NAProjection	0.019
NAImaging	0.13
Lens diameter projection	5 mm
Lens diameter imaging	6 mm
Magnification projection 𝛽^′	0.224
Magnification imaging 𝛽^′	11.15
Object field diagonal (projection)	3.564 mm
Measurement field diagonal	0.85 mm
Detection field diagonal (imaging)	8.92 mm
Trinangulation angle	±9^°
Distance BiMiD-MO (projection path)	≈160 mm
Detector resolution (imaging)	592 × 592 Pixel
Active area BiMiD	12.8 mm × 9.6 mm