Author Affiliations
1Optical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, Australia2Melbourne Centre for Nanofabrication, ANFF, Clayton, VIC 3168, Australia3Tokyo Tech World Research Hub Initiative (WRHI), School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japanshow less
Fig. 1. Optical configuration of FINCH with (a) polarization multiplexing and (b) spatial multiplexing.
Fig. 2. Phase images of (a) QPM, (b) axilens, (c) axicon, and (d) SQPM. Reconstruction results of FINCH in the polarization multiplexing scheme with three camera shots and by back propagation for (e) QPM, (f) axilens, (g) axicon, and (h) SQPM. Reconstruction results of FINCH in the polarization multiplexing scheme with a single camera shot and non-linear correlation for (i) QPM, (j) axilens, (k) axicon, and (l) SQPM. Phase images of randomly multiplexed constant matrix and (m) QPM, (n) axilens, (o) axicon, and (p) SQPM. Reconstruction results of FINCH in the spatial multiplexing scheme with non-linear correlation for (q) QPM, (r) axilens, (s) axicon, and (t) SQPM. Reconstruction results of FINCH in the spatial multiplexing scheme with a single camera shot and LRA for (u) QPM, (v) axilens, (w) axicon, and (x) SQPM.
Fig. 3. Plot of I(x = 0, y = 0) for FINCH (QPM), FINCH (axicon), and direct imaging for variation in the object distance zs (0.1 to 0.3 m) for FINCH1, reconstruction by back propagation, and FINCH2, reconstruction by cross correlation.
Fig. 4. (a) Gerchberg–Saxton algorithm and generated phase masks with (b) , (c) , (d) , and (e) .
Fig. 5. Plot of I(x = 0, y = 0) for (a) FINCH (QPM) and (b) FINCH (axicon) with spatial multiplexing and non-linear correlation for variation in the object distance zs (0.1 to 0.3 m) for different scattering ratios , 0.04, 0.1, and 0.5.
Fig. 6. Optical microscope images of randomly multiplexed (a) QPMs and (b) the QPM and axicon.
Fig. 7. Plot of the logarithm of the cross-correlation value for variation in distance from zs = 5 cm. The holograms recorded at zs = 5.2 cm, 5.4 cm, 5.7 cm, and 6 cm are shown.