Simple optical encryption and decryption strategy based on bilayer soft actuator and laser-induced structural color.

Area of Science:

• Materials Science
• Optics
• Information Security

Background:

• Advanced encryption is crucial for data security.
• Current optical encryption methods face limitations like external equipment dependency and information leakage.
• Visual optical information security is a key area of research.

Purpose of the Study:

• To develop a novel, simple, and reliable optical information encryption and decryption system.
• To overcome the limitations of existing optical encryption technologies.
• To explore the application of MXene-based materials in information security.

Main Methods:

• Fabrication of a colored soft actuator (CSA) by combining a MXene-isocyanate propyl triethoxy silane (IPTS)/polyethylene (PE) bilayer with a laser-fabricated biomimetic structural color surface.
• Utilizing the thermal response of the bilayer and the structural color for encryption and decryption.
• Integrating microgroove-induced structural color with the bilayer actuator.

Main Results:

• The developed CSA demonstrated effective information encryption and decryption capabilities.
• The system exhibited a unique photon-thermal response and precise spectrum response.
• The approach proved to be simple, reliable, and suitable for repeated use.

Conclusions:

• The proposed optical information encryption and decryption system offers a promising solution for secure data transmission.
• The CSA technology addresses the shortcomings of current optical encryption methods.
• This innovation has significant potential for applications in optical information security.