Zihao Gan
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View article: Design and Modeling of Compact Tunable Lens Driven by Bilateral Dielectric Elastomer
Design and Modeling of Compact Tunable Lens Driven by Bilateral Dielectric Elastomer Open
Compared to traditional mechanical zoom lenses, tunable lenses driven by dielectric elastomers provide clear advantages in zoom range, response speed, and lightweight design. However, these lenses generally employ planar dielectroelastomer…
View article: Tuneable Lenses Driven by Dielectric Elastomers: Principles, Structures, Applications, and Challenges
Tuneable Lenses Driven by Dielectric Elastomers: Principles, Structures, Applications, and Challenges Open
As the core element of adaptive optical systems, tuneable lenses are essential in adaptive optics. Dielectric elastomer-driven tuneable lenses offer significant advantages in tuning range, response speed, and lightweight design compared to…
View article: Dielectric elastomer-driven liquid prism enabling two-dimensional beam control
Dielectric elastomer-driven liquid prism enabling two-dimensional beam control Open
In this paper, a dielectric elastomer (DE)-driven liquid prism enabling two-dimensional beam control is proposed. The proposed liquid prism consists of a flexible driver and a liquid cavity. The glass plate is driven by DE to change the ti…
View article: Research on Monocular Depth Sensing Method Based on Liquid Zoom Imaging
Research on Monocular Depth Sensing Method Based on Liquid Zoom Imaging Open
Monocular stereo vision has excellent application prospects in the field of microrobots. On the basis of the geometric model of bifocal imaging, this paper proposes a monocular depth perception method by liquid zoom imaging. Firstly, the c…
View article: Flexible Zoom Telescopic Optical System Design Based on Genetic Algorithm
Flexible Zoom Telescopic Optical System Design Based on Genetic Algorithm Open
The performance of current liquid zoom systems is severely limited by their initial structure’s construction and solution. In this study, an automatic search method based on genetic algorithm (GA) was proposed for obtaining the optimal ini…
View article: An Improved Method for Evaluating Image Sharpness Based on Edge Information
An Improved Method for Evaluating Image Sharpness Based on Edge Information Open
In order to improve the subjective and objective consistency of image sharpness evaluation while meeting the requirement of image content irrelevance, this paper proposes an improved sharpness evaluation method without a reference image. F…
View article: Deformation of the PDMS Membrane for a Liquid Lens Under Hydraulic Pressure
Deformation of the PDMS Membrane for a Liquid Lens Under Hydraulic Pressure Open
In the present study, a hyperelastic constitutive model is built by complying with a simplified hyperelastic strain energy function, which yields the numerical solution for a deformed polydimethylsiloxane (PDMS) membrane in the case of axi…
View article: Stability Precision Error Correction of Photoelectric Detection by Unmanned Aerial Vehicle
Stability Precision Error Correction of Photoelectric Detection by Unmanned Aerial Vehicle Open
For getting clear images and overcoming shaking caused by various disturbances, real‐time compensation of pointing errors will improve the overall stability performance of photoelectric detection by unmanned aerial vehicle. However, the co…
View article: An Evaluation Model for Analyzing the Overlay Error of Computer-generated Holograms
An Evaluation Model for Analyzing the Overlay Error of Computer-generated Holograms Open
Computer-generated holograms (CGH) are the core devices to solve the problem of freeform surface measurement. In view of the overlay error introduced in the manufacturing process of CGH, this paper proposes an evaluation model for analyzin…
View article: Machining of optical micro-mold by laser-induced chemical etching
Machining of optical micro-mold by laser-induced chemical etching Open
Triangular grating has an important application in modern optical field. The large-scale production of such components can be realized by injection molding process, among which the fabrication of optical molds is the most important technol…
View article: Autocorrelated process control: Geometric Brownian Motion approach versus Box-Jenkins approach
Autocorrelated process control: Geometric Brownian Motion approach versus Box-Jenkins approach Open
Existing of autocorrelation will bring a significant effect on the performance and accuracy of process control if the problem does not handle carefully. When dealing with autocorrelated process, Box-Jenkins method will be preferred because…