Zhenhao Huang, Zhiqiang Liu, Hongjun Lin, Mao Ye. Tunable Fresnel Liquid Crystal Lens with Large Aperture[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1923002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 19, 1923002 (2023)
Fig. 1. Structures of Fresnel liquid crystal lens. (a) Cutaway view; (b) layer of pattern electrode; (c) interdigitate electrode; (d) microscope photograph of interdigitate electrode
Fig. 2. Interference optical path
Fig. 3. Interference ring of the Fresnel liquid crystal lens. (a)‒(f) Interference fringe pattern; (g) partial enlargement drawing
Fig. 4. Phase profile of the Fresnel liquid crystal lens (Power is 1.57D). (a) Fitted curve with measured data; (b) phase profile after quantization
Fig. 5. Phase profile of the Fresnel liquid crystal lens (Power is -1.62D). (a) Fitted curve with measured data; (b) phase profile after quantization
Fig. 6. Optical path diagrams of zoom imaging system. (a) Experimental scene; (b) schematic diagram of experiment
Fig. 7. Focus on different positions. (a) Fowl; (b) eagle; (c) parrot; (d) deer
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Table 1. Voltage and power corresponding to interference ring
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Table 2. Relationship between object distance and power of Fresnel liquid crystal lens
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