Fig. 1. TIR on the interface of rectangular prism anddielectric layer

Fig. 2. Theoretical curves of TIR phase shift φ varying with dielectric refractive index n₂

Fig. 3. Experimental setup for TIR digital holography based on Mach-Zehnder interferometer^[72]

Fig. 4. Experimental results of phase difference distribution of reflected light wave induced by glycerol-water mixtures with different mass fractions^[72]. (a) 40%; (b) 60%; (c) 75%

Fig. 5. Experimental setup for transmission-TIR integrated DHM ^[73]

Fig. 6. Experimental results of droplet array with different refractive indexes and geometrical thicknesses^[73]. (a) Two-dimensional and (b) one-dimensional profiles of refractive index; (c) three-dimensional and (d) one-dimensional profiles of geometrical thickness

Fig. 7. Kretschmann configuration for SPR excitation

Fig. 8. Theoretical curves of intensity and phase shift of reflected light wave varying with dielectric refractive index during SPR

Fig. 9. Refractive index of dielectric n₃ versus reflection phase shift difference Δφ ^[75]

Fig. 10. Experimental setup for common-path SPRHM^[75]

Fig. 11. Experiment results of alcohol-water mixture^[75]. (a) Reflection phase shift difference versus time; (b) tiny variation of refractive index with time

Fig. 12. Reflection phase shift difference Δφ versus dielectric refractive index n₃ at wavelengths of 632.8 nm and 660 nm^[76]

Fig. 13. Tiny variation of refractive index of alcohol-water mixture for 660 nm light wave during volatilization process^[76]. (a) Result of direct measurement for 660 nm light wave; (b) refractive index of 660 nm light wave converted from measured value of 632.8 nm light wave

Fig. 14. Phase image of onion tissue obtained by single-wavelength SPRHM experimental setup^[75]. (a) Digital hologram; (b) reconstructed phase image

Fig. 15. Phase images of onion tissue obtained by two-wavelength SPRHM experimental setup^[76]. (a) Digital holograms; (b) phase images at the wavelength of 660 nm; (c) phase images at the wavelength of 632.8 nm

Fig. 16. Theoretical curves of reflection phase shift difference Δφ corresponding to different tested films versus refractive index of dielectric layer n580

Fig. 17. Measurement results and least-square fitting curves of the reflection phase shift difference for graphene films with different numbers of layers^[80]

Fig. 18. Experimental optical paths of integrated prism coupling SPRHM and reflection-type DHM^[81]

Fig. 19. Measurement results of volatilization process of alcohol-water mixture with initial volume ratio of 1∶2^[81]. (a) Δ?₁ versus time; (b) Δ?₂ versus time; (c) n₃ versus time; (d) h_max versus time

Fig. 20. SPR excitation configuration with objective coupling

Fig. 21. Objective-coupling SPRHM experimental setup based on common-path interferometer^[82]

Fig. 22. Experimental measurement results of ZnO thin film^[82]. (a) Intensity reflectivity; (b) reflection phase shift difference; (c) 3D thickness distribution; (d) 1D thickness distribution

Fig. 23. SPR digital holographic common-path interferometer based on Sb₂Te₃ topological insulator^[83]

Fig. 24. Experimental measurement results of ultrapure water and ethanol-water mixture^[83]. (a) Reflectivity of reflected light versus incident angle when tested sample is ultrapure water; (b) reflectivity and phase of reflected light versus time when tested sample is ethanol-water mixture; (c)-(e) holograms, reconstructed phase images, and intensity images at different time