Fig. 1. Wedged model

Fig. 2. Simulated optical fiber images under microscope. (a) Original image; (b) deformation image; (c) gray value distribution in y direction at x=200 before and after deformation

Fig. 3. Experimental results. (a) Theoretical value of simulation experiment; (b) simulation experimental result; (c) comparison of experimental results at x=174

Fig. 4. Experimental setup. (a) Measurement schematic; (b) setup diagram; (c) holder and material

Fig. 5. Experimental images. (a) Original image (α=0°); (b) α=6°; (c) α=8°; (d) α=9°; (e) α=10°; (f) gray value distribution in y direction at x=200

Fig. 6. Experimental results. (a) α=6°; (b) α=8°; (c) α=9°; (d) α=10°

Fig. 7. Comparison of experimental results and theoretical values at x=174