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Article analysis:

The article “Dynamic Structural Color Display Based on Femtosecond Laser Variable Polarization Processing” by Wu (2021) provides an overview of the use of femtosecond laser micro/nano surface structuring to produce structural colors with periodic LIPSS micro/nanostructures. The article is well written and provides a comprehensive overview of the topic, including its potential applications in information storage, anti-counterfeiting, and other fields. The article also discusses how laser polarization can be used to adjust the orientation of LIPSS on the material surface and create complex and dynamic displays illuminated under white LED light.

The article is generally reliable and trustworthy; however, there are some points that could be improved upon. For example, while the article does discuss potential applications for this technology, it does not provide any evidence or examples to support these claims. Additionally, while the article does mention possible risks associated with this technology (such as instability due to large expansions or contractions), it does not provide any detailed information about how these risks can be mitigated or avoided. Finally, while the article does discuss different orientations that can be imprinted using special cases in specific geometries and conditions, it does not explore any counterarguments or alternative approaches that could be taken instead.

In conclusion, this article provides a comprehensive overview of femtosecond laser micro/nano surface structuring for producing structural colors with periodic LIPSS micro/nanostructures; however, it could benefit from providing more evidence for its claims as well as exploring counterarguments or alternative approaches that could be taken instead.