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Broadband Photodetectors and Imagers in Stretchable Electronics Packaging
Teppei Araki1,2,3, Kou Li4, Daichi Suzuki5
1SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan.
Advanced Materials (Deerfield Beach, Fla.)
|July 5, 2023
Summary
Stretchable optical sensors using terahertz (THz) waves enable non-destructive, real-time evaluations of various materials. These flexible THz sensors are crucial for developing smart societies and advanced on-site diagnostics.
Area of Science:
- Optoelectronics
- Materials Science
- Sensor Technology
Background:
- Flexible electronics integrated with optics are key for smart societies, enabling non-destructive evaluations.
- Organic-material-based stretchable optical sensors offer bending and elasticity for diverse applications.
- On-site, real-time evaluations are increasingly vital for health and material assessments.
Purpose of the Study:
- To review organic-material-based stretchable optical sensors and imagers.
- To discuss trends in non-destructive evaluation equipment for on-site assessments.
- To explore the potential of terahertz (THz) wave technology for instantaneous analyses.
Main Methods:
- Review of organic-material-based stretchable optical sensors and imagers.
- Discussion of trends in non-destructive evaluation equipment.
- Analysis of terahertz (THz) wave applications for substance and state-specific analyses.
- Examination of materials, electronics packaging, and remote imaging systems.
Main Results:
- Development of organic-material-based stretchable optical sensors with bending capability and elasticity.
- Identification of key challenges for THz sensors: broadband, high-sensitivity, room temperature operation, stretchability, and digital compatibility.
- Discussion of solutions involving materials, packaging, and remote imaging for THz sensor accessibility.
Conclusions:
- Stretchable optical sensors and imagers are advancing non-destructive evaluation capabilities.
- Highly sensitive, broadband THz sensors are essential for multifaceted on-site evaluations.
- These technologies will facilitate comprehensive assessments of solids, liquids, and gases in real-world conditions.
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