Design and Analysis of Triple Liquid Lens Array for Wavefront Compensation

Fig. 2. Schematic of compensation structure for wavefront distortion of triple liquid lens array. (a) System diagram; (b) principle of sub-unit correction

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Fig. 3. Surface shapes of triple liquid lens element interface under different conditions. (a) V₁=V₂=V₃=V₄=63.0 V and V₅=25.5 V; (b) V₁=57.0 V, V₂=V₄=63.0 V, V₃=68.0 V and V₅=18.0 V; (c) V₁=68.0 V, V₂=V₄=63.0 V, V₃=57.0 V and V₅=32.0 V

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Fig. 4. Wavefront distribution before and after compensation by triple liquid lens array. (a) Before compensation; (b) after compensation

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Fig. 5. Distribution of PSF. (a) Before compensation; (b) after compensation

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Table 1. Parameters setting

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Table 1. Parameters setting

Parameter	Value	Remark
θ₁/(°)	134	Zero voltage contact angle([EMIm][NTf2] & CH₃(CH₂)₁₀CH₃)
θ₂/(°)	140	Zero voltage contact angle(KCL/SDS & CH₃(CH₂)₁₀CH₃)
γ₁/(N·m^-1)	0.011	Surface tension([EMIm][NTf2] & CH₃(CH₂)₁₀CH₃)
γ₂/(N·m^-1)	0.069	Surface tension(KCL/SDS & CH₃(CH₂)₁₀CH₃)
ε	2.650	Relative dielectric constant
l	1	Dielectric thickness

Table 2. Liquid parameters setting
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Table 2. Liquid parameters setting
Liquid Density/(kg·m^-3) Refractive dynamic index Dynamic viscosity/[10^-3 Pa·s]
[EMIM][NTf2] 1380 1.4227 32.00
KCL/SDS 1000 1.3300 2.70
Dodecane 753 1.4206 1.36

Table 3. Structural parameters of system

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Table 3. Structural parameters of system

Surface	Type	Radius	Thickness	Glass	Semi-diameter
OBJ	Standard	Infinity	Infinity		0
1	Zernike standard phase	Infinity	0		5
STO	Standard	Infinity	2.000		5
3	Non-sequential component	Infinity	-		5
4	Standard	Infinity	0		5
5	Standard	-3.291×10¹¹	2.000	BK7	5
6	Standard	-7.752	15.017		5
IMA	Standard	Infinity	-		1

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Zhao Rui, Chen Lunan, Kong Meimei, Chen Tao, Guan Jianfei, Liang Zhongcheng. Design and Analysis of Triple Liquid Lens Array for Wavefront Compensation[J]. Laser & Optoelectronics Progress, 2020, 57(21): 212202

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