Simultaneous Manipulation of Electric and Thermal Fields via Combination of Passive and Active Schemes

TL;DR

This paper introduces a versatile method combining passive and active schemes to manipulate multiple physical fields simultaneously, demonstrated through electric and thermal cloaking and concentration, expanding design possibilities for multi-physics systems.

Contribution

It presents a novel general approach for multi-physics field manipulation by combining passive and active schemes, demonstrated experimentally for electric and thermal fields.

Findings

Successful experimental demonstration of simultaneous electric and thermal cloaking.

Validation of the method's feasibility through agreement with simulations.

Potential extension to other multi-physics fields for advanced system design.

Abstract

Increasing attention has been focused on the invisibility cloak due to its novel concept for manipulation of physical field. However, it is usually realized by single scheme (namely passive or active scheme) and limited in a single field. Here, we proposed a general method to achieve simultaneous manipulation of multi-physics field via combination of passive and active schemes. Experimentally, this method was demonstrated by simultaneous manipulation of electric field and thermal field. Firstly, a device was designed to simultaneously behave as electric and thermal invisibility cloak. Secondly, another device was demonstrated to simultaneously behave as electric invisibility cloak and thermal concentrator. The experimental results agree well with the simulated ones, confirming the feasibility of our method. Our method can also be extended to the other multi-physics fields, which would create much more freedom to design of new system and might enable new potential application in broad areas.