metasurface

A part of this report was introduced in the January 2024 issue of our periodical, “Yano E plus.”

– Metasurfaces with Low Loss and Widely Controllable Transmittance and Refractive Indices will be Indispensable Devices for “Beyond 5G” Using Terahertz Waves –

1. Metasurfaces Suddenly Came into the Limelight

2. What is a Metasurface?

3. Strong Points of Metasurfaces

4. Application Fields

　4-1. Optics

4-2. Wireless Communication

4-3. Sensing

4-4. Energy

4-5. Space

4-6. Military Affairs

5. Market Size 

6. Research and Development by Universities and Research Institutes

6-1. Osaka University

1) Control of Absorption and Reflection with Metal Metasurfaces

2) Dielectric Metasurfaces

6-2. University of Tsukuba

1) Capturing the Motion of Optical Wave Packets with Femtosecond Time-Resolved Imaging of Surface Plasmons

2) Visualization of Optical Responses of Artificial Material “Nano Atoms” with Temporal Resolution of 1/100,000,000,000,000 (1 over 100 trillion) seconds

6-3. The University of Tokyo

1) Development of Compact and High-Speed Polarized Wave Receivers Using Optical Metasurfaces

2) Development of Spatial and Polarized Wave Multiplex Coherent Receivers with Metasurfaces

6-4. Tohoku University

1) Development of Terahertz Wave Transmittable and Phase-Variable Metamaterials for 6G Next-Generation Communications

2) Development of 3D Bulk Metamaterials that Can be Mass-Produced at Low Cost as Radio Wave Control Materials for 6G Communications

3) Development of Radio Wave Deflection Control Technology that Enables Wide-Angle Control of Direction of Terahertz Wave Propagation in Transparent Metamaterials for 6G

4) Other Application Examples

i. Metamaterials for Robotic Arms

ii. Metamaterials for Smartphones and Mobile Devices

iii. Thermal-Shielding Metamaterials

iv. Biomedical Metamaterials

v. Dielectic Metamaterials for Visible Light

6-5. Mie University

6-6. Institute of Physical and Chemical Research (RIKEN)

1) Metalens

2) Creation of “Black”

3) Infrared Spectroscopy (FT-IR)

i. Soild Samples

ii. Liquid Samples

iii. Gas Samples