Fig. 1. Schematic of the time stretch imaging system

Fig. 2. Structure schematic of optical coherent receiver

Fig. 3. Relationship between resolution limit and dispersion

Fig. 4. Schematic of the time-stretch-based ultrafast polarization cytometric imaging system.(a) Time domain dispersion; (b) spatial dispersion and imaging; (c) optical coherent detection

Fig. 5. (a) Image of resolution target; (b) time domain waveform captured by the detector; (c) differential and Gauss fitting curves

Fig. 6. Phase contrast microscope images and phase images. (a) Phase contrast microscope image of normal nasopharyngeal carcinoma cell slice; (b) phase image of normal nasopharyngeal carcinoma cell slice; (c) phase contrast microscope image of nasopharyngeal carcinoma cell slice treated with growth inhibition drugs; (d) phase image of normal nasopharyngeal carcinoma cell slice treated with growth inhibition drugs

Fig. 7. Phase images (scale bar: 10 μm). (a) Three-dimensional phase image of single nasopharyngeal carcinoma cell; (b) phase images of nasopharyngeal carcinoma cells; (c) phase images of normal nasopharyngeal epithelial cells