Qiang Yang, Lianqing Zhu, Fan Fan, Zheng Duanmu, Jiang Zhu. Signal Retrieval Method of en-face Optical Coherence Tomography System[J]. Acta Optica Sinica, 2020, 40(7): 0711001
- Acta Optica Sinica
- Vol. 40, Issue 7, 0711001 (2020)
![Comparison between standard axial scanning mode (left) and standard transverse scanning mode (right)[2]](/richHtml/gxxb/2020/40/7/0711001/img_1.jpg)
Fig. 1. Comparison between standard axial scanning mode (left) and standard transverse scanning mode (right)[2]
Fig. 2. Illustration of signal retrieval in en-face FD-OCT
![Time-domain OCMs using different structures[3]. (a) Stretched PZT; (b) stacked PZT](/Images/icon/loading.gif){kind=icon}
Fig. 3. Time-domain OCMs using different structures[3]. (a) Stretched PZT; (b) stacked PZT
Fig. 4. Full-field OCT system based on phase shifting in time-domain[20]
Fig. 5. Full-field OCT system based on single-shot exposure[24]
Fig. 6. Amplitude and phase reconstruction of one-dimensional signal based on Hilbert transform in spatial-domain
Fig. 7. Schematic of off-axis TD-FFOCT based on digital holography[26]
Fig. 8. Image processing of off-axis TD-FFOCT system based on digital holography[25]. (a) Interference pattern in spatial-domain; (b) frequency spectrum of interference pattern; (c) en-face image reconstructed from +1 order spectrum; (d) 3D tomographic structure recoveredby image stitching
Fig. 9. Schematic of off-axis TD-FFOCT based on photorefractive hologram material[27]
Fig. 10. Signal reconstruction of off-axis TD-FFOCT based on photorefractive hologram material[14]
Fig. 11. Schematic of line-scanning FD-OCT system[34]. (a) Optical path of line-scanning FD-OCT system; (b) signal recording process
Fig. 12. FF-SS-OCT system. (a) Schematic of on-axis FF-SS-OCT[39]; (b) schematic of off-axis FF-SS-OCT[40]
Fig. 13. Schematic of focused Gaussian beam through objective lens with different NA
Fig. 14. Angular spectrum method and holoscopy. (a)Angular spectrum method based on plane wave decomposition; (b) holoscopy[41]
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