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Pablo Gabriel Fredes Donoso

Professor

Universidad de Santiago de Chile

Santiago, Chile

Líneas de Investigación


UV Disinfection Technologies for Healthcare enviroments to prevent Healthcare aquired infections. Over the last decade, UV radiation has been shown to be an effective technology for infection prevention and control in the healthcare enviroment.

Educación

  •  Automation , UNIVERSIDAD DE SANTIAGO DE CHILE. Chile, 2018
  •  Philosophy , UNIVERSIDAD DE SANTIAGO DE CHILE. Chile, 2014
  •  Phisics Engineer, UNIVERSIDAD DE SANTIAGO DE CHILE. Chile, 2011
  •  Applied Physics, UNIVERSIDAD DE SANTIAGO DE CHILE. Chile, 2009

Experiencia Académica

  •   Professor Part Time

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Science

    Chile

    2011 - At present

  •   Professor Part Time

    UNIVERSIDAD DE LOS ANDES

    Medicine

    Santiago, Chile

    2013 - 2020

  •   Professor Part Time

    UNIVERSIDAD MAYOR

    Science

    Santiago, Chile

    2019 - 2020

Experiencia Profesional

  •   Scientific Director Full Time

    Hydraluvx Spa

    Santiago, Chile

    2013 - At present

Formación de Capital Humano


Research Thesis Supervision Experience
The following theses are a requirement to obtain the professional title of Physical Engineer for the University of Santiago of Chile.
2021 - 2022, Eng. Lucas Martinez: Thermoelectric control to improve the electro-optical efficiency and life time of high-power UV-C LEDs.
2024 Eng. Aaron Aedo: Automation of the thermo-optical and electronic characterization process of high-power UV-C LEDs applying IoT technologies.
2024 Eng. Javier Gonzales: Advancing far - UVC LED Technology for Diverse Disinfection Applications: In Perspective of Optical and Thermal Issues. (in association with RIKEN Japan).



 

Article (4)

Estimation of Junction Temperature in Single 228 nm-Band AlGaN Far-Ultraviolet-C Light-Emitting Diode on c-Sapphire Having 1.8 mW Power and 0.32% External Quantum Efficiency

Khan, Muhammad Ajmal; Ajmal Khan, Muhammad; Muta, Mitsuhiro; Fujimoto, Kohei; Rojas, Javier Gonzalez; Gonzalez Rojas, Javier; Fredes, Pablo; Gramsch, Ernesto; Iwaisako, Yasushi; Yaguchi, Hiroyuki; et al.

Article ISI SCOPUS
Physica Status Solidi (A) Applications and Materials Science  (2024)

Estimation of the ultraviolet-C doses from mercury lamps and light-emitting diodes required to disinfect surfaces

Fredes P.; Raff U.; Gramsch E.; Tarkowski M.

Article SCOPUS
Journal of Research of the National Institute of Standards and Technology  (2021)

Junction temperature control of UV-C LEDs based on a thermoelectric cooler device

Pascal J.

Article ISI SCOPUS
MICROELECTRONICS RELIABILITY  (2019)

Improving the optical performance and life time of deep UV LEDs by thermoelectric control

Fredes P.; Raff U.; Cuenca J.

Article SCOPUS
Optics InfoBase Conference Papers  (2017)

BookSection (1)

Tools of Neuroscience

Pablo Fredes, Ulrich Raff; Zeise, Marc L.

BookSection
 (2021)

ConferencePaper (1)

Optical considerations for design of surface disinfection devices based on UV-C LEDs

Raff, Ulrtich; E. Gramsch

ConferencePaper
 (2021)

1
Ernesto Gramsch

Full Professor

Physics

UNIVERSIDAD DE SANTIAGO DE CHILE

Santiago, Chile

1
Cristian Soto

Profesor e investigador

Física y Eléctrica

Universidad de Santiago de Chile

Santiago, Chile

6
Pablo Fredes

Professor

Physics

Universidad de Santiago de Chile

Santiago, Chile

1
Jose Pascal

Académico

Departamento de Ingeniería Mecánica

Universidad de Santiago de Chile

Santiago, Chile