Laser & Optoelectronics Progress, Volume. 59, Issue 12, 1200001(2022)
Label-Free Optical Imaging Technology
Fig. 1. Digital holographic quantitative phase imaging. (a) Setup of the LED-based slightly off-axis digital holographic microscopy system [17]; (b) setup of the common-path off-axis interference digital holographic microscopy system[20]; (c) setup of the common-path phase-shifting digital holographic microscopy system[21]; (d) setup of the on-chip digital holographic microscopy system[22]
Fig. 2. Fourier ptychographic microscopy. (a) Iterative recovery procedure[24]; (b) imaging setup
Fig. 4. Schematic of ODT principle and structure. (a) Normal incidence of scattering potential reconstruction process; (b) oblique incidence of scattering potential reconstruction process; (c)(d) reconstructed longitudinal and transverse views of scattering potential; (e) schematic of optical setup[71]
Fig. 6. In vivo PACT imaging of the embryo in the pregnant mouse at embryonic day of 15.5[100]. (a) Maximum intensity projection of the 3D PACT imaging; (b)-(g) tomography results at different depths
Fig. 8. CARS holographic microscopy. (a) CARS holographic microscopic imaging technology[126]; (b) polarizated CARS holographic microscopic imaging technology[127]; (c) holographic CARS imaging of the polystyrene microspheres, Fig.(1) is holographic CARS imaging, Fig.(2) and Fig.(3) are the retrieved amplitude intensity and phase image, Fig.(4) and Fig.(5) are CARS signal distribution at different depths obtained by using the beam propagation theory, Fig.(6) is the reconstructed CARS intensity distribution of the polystyrene microspheres when the Stokes wavelength is apart from the polystyrene resonance
Fig. 9. Stimulated Raman spectroscopic imaging by single photodiode detector based on spatial frequency multiplexing[130]. (a) Principle of spatial frequency multiplexing; (b) the experimental setup
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Shuqi Mu, Dashan Dong, Kebin Shi. Label-Free Optical Imaging Technology[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1200001
Category: Reviews
Received: Nov. 1, 2021
Accepted: Nov. 29, 2021
Published Online: May. 23, 2022
The Author Email: Kebin Shi (kebinshi@pku.edu.cn)