Fig. 1. Flow chart of the design

Fig. 2. 3D layout of spheric-aspheric cylindrical lens design. (a) System structure in sagittal plane; (b) system structure in tangential plane

Fig. 3. Relative illumination in Y-scan and spot diam. (a) Diagram of relative illumination in Y-scan; (b) spot diagram of the system

Fig. 4. Schematic diagram of system. (a) X direction; (b) Y direction

Fig. 5. 3D layout of aspheric lens-cylindrical lens system. (a) X direction; (b) Y direction

Fig. 6. Spot diagram of two systems. (a) Spot diagram of aspheric lens-cylindrical lens system; (b) spot diagram of spheric-aspheric cylindrical lens system; (c) line spot with different distances between image surface and last surface of cylindrical lens

Fig. 7. Relative illumination diagram of two systems

Fig. 8. Relative illumination of aspheric cylindrical lens