Advances and Applications of Optical Metasurfaces and Metalens
A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A1: Optical MEMS and Photonic Microsystems".
Deadline for manuscript submissions: 31 October 2025 | Viewed by 78
Special Issue Editor
Special Issue Information
Dear Colleagues,
Meta-optics represents an advanced class of flat optical components that exhibit unique light-manipulation capabilities, enabling applications in imaging, wide-angle holographic displays, sensing, and optical, as well as quantum computing. These structures have been proposed as a promising alternative to traditional refractive optics, facilitating the development of novel imaging and sensing modalities. The field of metasurface research has gained significant attention globally due to its potential to engineer optical properties through precisely designed nanostructures, thereby addressing diverse optical requirements.
Despite these advancements, the large-scale fabrication of metalenses remains constrained by electron-beam lithography, which limits production scalability. To overcome this challenge, deep-ultraviolet (DUV) lithography, in conjunction with dry etching techniques, has been extensively refined for high-throughput manufacturing. Additionally, researchers are actively exploring innovative strategies to mitigate the limitations of fixed optical responses arising from static nanostructures and immutable materials. One such approach involves integrating phase-change materials within metalenses to enable dynamic tunability. Given that tunability and reconfigurability are critical attributes for the functionality of active metasurfaces, the advent of tunable optical metasurfaces has facilitated real-time control over optical responses.
In this context, this Special Issue will highlight cutting-edge research, short communications, and review articles focused on advancements in metalens design methodologies and applications.
We look forward to receiving your submissions!
Dr. Saurabh Srivastava
Guest Editor
Manuscript Submission Information
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Keywords
- meta-optics
- metasurface
- deep-UV
- refractive index
- tunability
- phase-change
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