Photonic Device with Dynamic Structural Transition

光子器件是一种具有与被处理的电磁波波长相近的单位尺寸的人工晶体结构。在本研究中，我们开发了可以动态过渡的晶体结构。我们试图采用塑性加工和粉末工艺来制造目前的结构。该结构由可变形的弹性薄板和周期性排列在薄板表面的磁性小元件组成。通过控制施加的磁场，每个元件之间的磁相互作用可以使结构变形，并且元件的周期性也在变形期间改变。

Photonic device is an artificial crystal structure which possesses a unit size similar with the wave length of treated electro magnetic wave. In the present research, we developed the crystal structure which can transit dynamically. We tried to employ plastic working and powder processes to fabricate the present structure. The proposed structure was composed of deformable elastic sheet and small magnetic elements, which are arranged periodically on the surface of the sheet. By controlling the applied magnetic field, magnetic interaction between each element can deform the structure, and periodicity of elements also changes during deformation.