PDMS liquid lens with corrected abberations

Junjie Gan and Lei Li^*

Author Affiliations

School of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan 610065, China

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DOI: 10.12086/oee.2022.210404 Cite this Article

Junjie Gan, Lei Li. PDMS liquid lens with corrected abberations[J]. Opto-Electronic Engineering, 2022, 49(5): 210404 Copy Citation Text

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Fig. 1. Structure and principle of PDMS liquid lens. (a) Lens structure; (b) Convex lens state; (c) Cancave lens state

Fig. 2. Fabrication of PDMS liquid lens

Fig. 3. The deformation information of PDMS membrance. (a) Surface profile of full aperture; (b) Surface profile of 25 mm in the central area

Fig. 4. The comparison of MTF curve.

(a) 2D layout of optimize structure; (b) 2D layout of optimize structure; (c) MTF curve of optimize structure at +3D;

(d) MTF curve of traditional structure at +3D; (e) MTF curve of optimize structure at +5D; (f) MTF curve of traditional structure at +5D

Fig. 5. Relationship between optical power and liquid variation of PDMS liquid lens. (a) Positive focal length; (b) Nagetive focal length

Fig. 6. Physical imaging results. (a) Fill with different amount of liquid; (b) Draw with different amount of liquid

Fig. 7. The optical system for resolution test

Fig. 8. The results of resolution test at +5D power. (a) Proposed structure; (b) Traditional structure

Table 1. Key parameters of liquid lens materials

Junjie Gan, Lei Li. PDMS liquid lens with corrected abberations[J]. Opto-Electronic Engineering, 2022, 49(5): 210404

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