ACTIVE LASER MEDIUM INCLUDING NANOPARTICLES, LASER APPARATUS INCLUDING THE ACTIVE LASER MEDIUM AND METHOD OF MANUFACTURING NANOPARTICLES

PURPOSE: An active laser medium including nanoparticles, a laser device including the same, and a manufacturing method thereof can reduce a critical value for generating laser by including nanoparticle surrounded by a silica shell including light emitting materials. CONSTITUTION: An active laser med...

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Hauptverfasser: KUCHUMOV BORIS MAKSIMOVICH, TRUBIN SERGEY VLADIMIROVICH, IGUMENOV IGOR KONSTANTINOVICH, KUCHYANOV ALEXANDER SERGEEVICH, MALTSEVA ELENA OLEGOVNA, PLEKHANOV ALEXANDER IVANOVICH, PARKHOMENKO ROMAN GRIGOREVICH
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:PURPOSE: An active laser medium including nanoparticles, a laser device including the same, and a manufacturing method thereof can reduce a critical value for generating laser by including nanoparticle surrounded by a silica shell including light emitting materials. CONSTITUTION: An active laser medium includes metal nanoparticles and a shell surrounding a metal nanoparticle. The shell includes a light emitting material including a light emitting spectrum overlapping the peak of a surface plasmon resonance of the metal nanoparticle. The active laser medium has a film shape of a colloid or a solid. The shell includes silica or a polymer material. The metal nanoparticle is a gold nanoparticle. The light emitting material consists of a plurality of quantum dots overlapping the peak of a surface plasmon resonance of the nanoparticle. [Reference numerals] (AA) Gold nanoparticle; (BB) Light emitting material; (CC) Active laser medium; (DD) Wavelength (nm)