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 39

Special Issue Editor


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Guest Editor
Institute of Materials Research and Engineering (IMRE), Agency for Science Technology and Research (A*Star), Singapore, Singapore
Interests: nanotechnology; memory; metasurfaces; materials science

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

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • meta-optics
  • metasurface
  • deep-UV
  • refractive index
  • tunability
  • phase-change

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Published Papers

This special issue is now open for submission.
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