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Sensor de imagen de diodo de avalancha de fotón único para LiDAR de fluorescencia subsuperficial

Petr Bruza1, Arthur Petusseau1, Arin Ulku2

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|January 26, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Este estudio presenta LiDAR de fluorescencia subsuperficial, una técnica novedosa que utiliza una gran matriz de diodos de avalancha de fotón único para detectar con precisión moléculas fluorescentes en lo profundo de materiales dispersos como el tejido.

Palabras clave:
LiDAR de fluorescencia subsuperficialdiodo de avalancha de fotón únicoimagen de fluorescenciamedios dispersosprecisión de profundidad

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Área de la Ciencia:

  • Óptica Biomédica
  • Fotónica
  • Imagen de Fluorescencia

Sus antecedentes:

  • La imagen subsuperficial en medios dispersos es un desafío.
  • La localización y cuantificación precisas de moléculas fluorescentes son cruciales para el diagnóstico.
  • Las técnicas existentes tienen limitaciones en la precisión y resolución de la profundidad.

Objetivo del estudio:

  • Desarrollar un sistema LiDAR (Light Detection and Ranging) de fluorescencia subsuperficial.
  • Lograr una precisión de profundidad submilimétrica para la detección de moléculas.
  • Permitir la cuantificación de la concentración de moléculas fluorescentes en tejidos dispersos.

Principales métodos:

  • Se utilizó una matriz de diodos de avalancha de fotón único de formato grande.
  • Se implementó un sistema LiDAR de fluorescencia para mediciones subsuperficiales.
  • Se desarrollaron algoritmos para el procesamiento de señales y la localización de profundidad.

Principales resultados:

  • Se demostró con éxito la detección de fluorescencia subsuperficial.
  • Se logró una precisión de profundidad submilimétrica en medios muy dispersos.
  • Se localizaron y cuantificaron con éxito las concentraciones de moléculas fluorescentes.

Conclusiones:

  • El sistema LiDAR de fluorescencia subsuperficial desarrollado ofrece una alta precisión de profundidad.
  • Esta tecnología tiene aplicaciones potenciales en imágenes biomédicas y diagnóstico.
  • La matriz de diodos de avalancha de fotón único permite una detección precisa en entornos difíciles.