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Indirectamente, el amplificador regenerativo de Nd:glass con LED bombeado es un amplificador regenerativo de vidrio

Maxime Nourry-Martin, Elio Thellier, Catherine Le Blanc

|February 20, 2026

Resumen

Los investigadores desarrollaron el primer amplificador regenerativo de vidrio dopado con neodimio (Nd:glass) bombeado con LED. Esta nueva tecnología láser logra una energía de pulso de 3.8 mJ, allanando el camino para los sistemas láser de alta energía.

Área de la Ciencia:

Física del láser Física del láser
La optoelectrónica es la óptica electrónica.
Ciencia de los materiales Ciencia de los materiales.

Sus antecedentes:

Los láseres de vidrio dopado con neodimio (Nd:glass) son cruciales para aplicaciones de alta energía.
Los métodos tradicionales de bombeo para amplificadores regenerativos se enfrentan a limitaciones en escalabilidad y eficiencia.
El desarrollo de fuentes de bombeo eficientes y escalables es esencial para el avance de la tecnología láser.

Objetivo del estudio:

Para demostrar el primer amplificador regenerativo de vidrio Nd: bombeado con LED.
Para evaluar el rendimiento del bombeo indirecto de LED para sistemas láser de alta energía.
Para explorar el potencial de los concentradores luminiscentes en la amplificación láser.

Principales métodos:

Se utilizó un concentrador luminiscente Ce:LuAG para absorber la luz LED azul.
Empleó 3200 diodos emisores de luz azul (LED) como fuente primaria de bombeo.
Configurado un amplificador regenerativo de Nd:glass para utilizar la luz amarilla concentrada.

Principales resultados:

Se lograron 2 ns pulsos a 1053 nm con 3.8 mJ de energía.
Funcionó el amplificador a una frecuencia de repetición de 2 Hz.
Generó 3.4 kW de potencia óptica máxima en el rango espectral amarillo desde el concentrador luminiscente.

Conclusiones:

Se demostró con éxito el primer amplificador regenerativo de vidrio Nd: bombeado con LED.
El bombeo indirecto de LED a través de concentradores luminiscentes ofrece un alto potencial de escalado de potencia.
Esta tecnología es prometedora para las futuras cadenas láser de vidrio Nd de alta energía.

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