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Las microlentes ultrarrápidas impulsadas por láser enfocan y seleccionan la energía de los megaelectrones voltios
Toma Toncian1, Marco Borghesi, Julien Fuchs
1Heinrich Heine Universität Düsseldorf, D-40225 Düsseldorf, Germany.
Science (New York, N.Y.)
|February 18, 2006
Resumen
Este estudio introduce un nuevo método para enfocar y seleccionar la energía de los haces de protones de alta corriente utilizando campos eléctricos transitorios generados por láseres. Esta técnica mejora la calidad espectral y reduce la divergencia de los haces de protones acelerados por láser.
Área de la Ciencia:
- Física del plasma es la física del plasma.
- Aceleración de las partículas.
- Interacción láser-materia Interacción entre láser y materia.
Sus antecedentes:
- Los haces de protones acelerados por láser a menudo exhiben amplios espectros de energía y alta divergencia.
- Los métodos existentes para controlar las propiedades del haz de protones son limitados.
Objetivo del estudio:
- Desarrollar una técnica para el enfoque simultáneo y la selección de energía de los haces de protones de mega-electrones-voltios de alta corriente.
- Para abordar las limitaciones de los amplios espectros y la divergencia en los haces de protones acelerados por láser.
Principales métodos:
- Utilizando campos eléctricos transitorios radiales (10^7 a 10^10 V/m) generados en las paredes internas de un microcilindro hueco.
- La activación de estos campos con un intenso pulso láser subpicosegundo.
Principales resultados:
- Se logró el enfoque simultáneo y la selección de energía de los haces de protones.
- La naturaleza transitoria de los campos permite la selección de un rango de energía deseado de un haz polienergético.
- Con éxito se redujo la divergencia del haz y se redujo el espectro de energía.
Conclusiones:
- La técnica propuesta ofrece una solución viable para mejorar la calidad de los haces de protones acelerados por láser.
- Este método mejora el control sobre las propiedades del haz de protones, haciéndolos más adecuados para diversas aplicaciones.
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