Related Experiment Video
Updated: Jan 7, 2026
11:09
Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
Published on: June 23, 2017
10.6K
Electrically Tunable Metalens Based on PEDOT:PSS
Miao Zhang1, Dizhi Sun1, Shiqi Zhang2
1State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
Micromachines
|December 31, 2025
Summary
This study presents an electrically tunable metalens using PEDOT:PSS and a metasurface for reconfigurable focusing. The innovative design achieves a 10:1 zoom ratio with diffraction-limited performance for integrated optics.
Area of Science:
- Optics and Photonics
- Materials Science
- Electrical Engineering
Background:
- Traditional lenses are bulky and lack reconfigurability.
- Metalenses offer planar, lightweight focusing capabilities.
- Achieving dynamic tunability in metalenses is a key challenge for integrated optics.
Purpose of the Study:
- To develop an electrically tunable metalens with dynamic focal length control.
- To integrate poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate (PEDOT:PSS) with a metasurface for optical modulation.
- To achieve high-performance, reconfigurable focusing for miniaturized optical systems.
Main Methods:
- Electrochemical modulation of PEDOT:PSS film thickness and deintercalation.
- Utilizing a Fresnel zone plate (FZP) design for simplified phase profiles.
- Employing a modulated particle swarm optimization (PSO) algorithm for inverse design and crosstalk suppression.
Main Results:
- The metalens demonstrates diffraction-limited focusing capabilities.
- An impressive zoom ratio of 10:1 was achieved.
- The design effectively suppresses inter-unit phase crosstalk.
Conclusions:
- This work presents a viable strategy for high-performance, dynamically tunable metalenses.
- The proposed electrically tunable metalens has significant potential for miniaturized imaging and microscopy.
- The integration of PEDOT:PSS with metasurfaces opens new avenues in integrated photonic systems.
