Zihao MA, Haotian LIU, Jianwei YE, Yi XU, Yuwen QIN. Computational imaging over a kilometer-scale multimode fiber based on transmission matrix (invited)[J]. Infrared and Laser Engineering, 2024, 53(9): 20240348

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- Infrared and Laser Engineering
- Vol. 53, Issue 9, 20240348 (2024)

Fig. 1. Schematic diagram of multimode optical fiber video data transmission based on transmission matrix

Fig. 2. Schematic of experimental setup(The CW laser is a continuous laser; L1, L2, L3 and L4 are thin lenses with different focal lengths; The digital micromirror device (DMD) is a spatial light modulator; The Iris is a diaphragm; The Obj1 and Obj2 are objective lenses; The MMF is a 1 km multimode fiber; The CCD is a high-speed camera)

Fig. 3. Experimental results of 100 uncorrelated random binary information. (a) Experimental results of uncorrelated random binary information using the ITM method; (b) Comparison of experimental results between the ITM method and the SSM method

Fig. 4. Transmission experimental results of 256-level grayscale images

Fig. 5. Experimental results of video transmission. (a) Transmission results of binary information transmitted by the ITM method; (b) Video frames retrieved from the binary information sequence

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