Meta Material

This project aims to communicate cutting-edge scientific research conducted at the Institute of Industrial Science to the broader public. By highlighting the significance and future potential of the research, the project seeks to raise awareness and public interest.

DLX Design Lab collaborated with the Tatsuma Laboratory to produce a short film that visualizes the properties of innovative nanoparticles and the possibilities they offer for the future. These microscopic particles interact strongly with light and could, in the future, demonstrate astonishing capabilities such as bending or even rendering materials transparent.

---

About Tatsuma Lab

Tatsuma Laboratory focuses on developing nanoparticles that respond to light. Through chemical approaches, they aim to efficiently produce a large number of nanoscale particles at once. This research may enable the creation of "metamaterials," which possess properties not found in nature.

Metamaterial particles operate using complex mechanisms to bend light. Each particle receives the energy of a light wave, vibrates, and re-emits waves. By designing particles to resonate with specific wavelengths, the materials can even exhibit phenomena such as negative refraction, which is not naturally possible. This project visualizes a roadmap for the development and potential applications of such metamaterials.

Technology Roadmap

To illustrate how this mysterious material might be realized, we created a timeline through continuous dialogue with the Tachima Laboratory.

The timeline is structured along two axes: horizontal (left to right) and vertical (top to bottom), each representing increasing levels of difficulty.

• The top line shows the completion of the current research phase, where individual particles become functional "meta-atoms."

• The middle line represents the formation of two-dimensional surfaces by combining these particles.

• The bottom line envisions the construction of complex three-dimensional structures.

The difficulty of control also varies depending on the wavelength of light. Longer wavelengths, like red, require larger structures and are thus easier to manipulate. In contrast, shorter wavelengths, such as violet, demand extremely fine structures, making implementation more difficult.

The mechanism by which metamaterials bend light is intricate. Each particle behaves like a radio antenna, receiving light waves, vibrating, and emitting modified waves. These waves interact and strengthen each other, resulting in light bending in a new direction. By designing particles to resonate at specific wavelengths, complex wave combinations can emerge, producing negative refraction, something not found in natural materials.

This research anticipates that light can eventually be manipulated freely in any direction or path using such technologies.

Potential Application

• Ultra-Black Solar Panels

The initial stage may involve creating materials that absorb all light rather than control it. Applied to solar panels, this could capture previously wasted reflected light, dramatically improving efficiency. The ideal solar panel might, in fact, be invisible.

• Light-Redirecting Objects

The next phase could involve objects that reroute light around them and emit it from the opposite side. This may first be achievable in spherical forms and with single colors, such as red.

• Partial Optical Transparency

As understanding deepens and manufacturing techniques mature, it may become possible to design structures that allow selective visibility around complex shapes. For example, only eye-level areas may appear transparent, enabling architectural innovations that reduce blind spots without removing walls or columns.

• Future Windows That Deliver Light and Views

Further advances could lead to metamaterials stretched into rod-like connectors, transmitting light and views like fiber optics. This would allow people in underground rooms to see the sky, experience shadows, and even feel the warmth of sunlight.

To realize such a window, metamaterials must be able to manipulate red, green, and blue wavelengths. Incorporating infrared (IR) would also enable the transmission of heat. Depending on the application, the material could be tuned to transmit only specific colors or even ultraviolet light.

Ultimately, these technologies may evolve into "optical camouflage" that can make objects invisible. While this remains extremely complex and lacks a concrete design path today, revolutionary breakthroughs could occur, just as we have seen with modern AI. A hundred years from now, wearable cloaks that render people or vehicles invisible, like those in science fiction, may become a reality.