# A geometry-tunable MWIR multispectral plasmonic filter based on a Dy-doped cadmium oxide bull’s-eye structure

Source: [Physics : nature.com subject feeds](https://www.nature.com/articles/s41598-026-79809-z) · 2026-11-13 · Physics
Page: https://themorning.science/story/a-geometry-tunable-mwir-multispectral-plasmonic-filter-based-on-a-dy-doped-cadmi-bb18e04057c33d27
Kind: research · Impact: low

## In brief

- The article describes a geometry-tunable mid-wave infrared (MWIR) multispectral plasmonic filter.
- The filter is based on a bull's-eye structure made of dysprosium-doped cadmium oxide.
- The item appeared in the nature.com Physics subject feed on 2026-11-13; no summary was provided.

## Why it matters

Multispectral infrared filters that can be tuned by changing geometry may be relevant to researchers working on infrared optics and sensing, though the source provided no details on performance.

## Timeline

- 2026-11-13: Listed in the nature.com Physics subject feed

## Coverage

- [A geometry-tunable MWIR multispectral plasmonic filter based on a Dy-doped cadmium oxide bull’s-eye structure](https://www.nature.com/articles/s41598-026-79809-z) — Physics : nature.com subject feeds, 2026-11-13

Tags: plasmonics, mid-wave infrared, optical filters, doped cadmium oxide

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science