浜松ホトニクスは、中赤外領域の量子カスケードレーザ（以下QCL : Quantum Cascade Laser）の開発で長年培ってきた量子構造設計技術による独自の結合二重上位準位構造（AnticrossDAUTM）を採用し、一つの半導体チップから室温でテラヘルツ波を発生する小型半導体光源「テラヘルツ差周波量子カスケードレーザ」の開発に世界で初めて成功しました。学術研究用イメージングや、薬剤をはじめとした有機物の分光分析への応用が期待されます。
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