Fig. 1. Diagram of a microlens array divided into the same 2×2 subarrays A, B, C, and D

Fig. 2. Diagram of design of micrographic array of high-order moiré magnifier based on destruction of high-order moiré pattern. (a) Destruction of high-order moiré pattern unit according to different orders; (b) destruction of high-order moiré pattern unit according to different arrangement

Fig. 3. Diagram of moiré pattern unit "9" composited by the sub-sections “1”, “3”, “5”, and “7” of micropattern unit

Fig. 4. Moiré amplifier device obtained by superimposing a microlens array and a microimage array

Fig. 5. Periodic magnification s (star, square, and cross lines ) and direction angle ?(red dot and circle) of moiré pattern in high-order moiré imaging as functions of cross angle β

Fig. 6. Moiré complex periodic magnification m~ in high-order moiré imaging as a function of cross angle β

Fig. 7. Square PDMS microlens array based on SU-8 and fabricated by using thermal expansion and micro-replication with the arrangement period of 160 μm

Fig. 8. Multiple micropattern arrays used for verifying high-order moiré magnification-composition imaging. (a) Unit micropattern “F” with arrangement period of 160 μm; (b) unit micropattern consists of some semi-circular arcs with arrangement period of 320 μm; (c) unit micropattern consists of some semi-circular arcs with arrangement period of 480 μm; (d) unit micropattern consists of erected and laid flat "S" patterns with arrangement period of 320 μm; (e) unit micropattern consists of erected and lai

Fig. 9. Experimental results of multiple high-order moiré magnifiers corresponding to Fig. 8. (a) Result of 1st-order moiré imaging of micropattern array in Fig. 8(a), showing “F” patterns; (b) result of 2nd-order moiré imaging of micropattern array in Fig. 8(b), showing the unit pattern with inner and outer circles; (c) result of 3rd-order moiré imaging of micropattern array in