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Pablo Gabriel Fredes Donoso

Proofessor

Universidad de Santiago de Chile

Santiago, Chile

Líneas de Investigación


Environmental Photonics Service for Biosecurity of indoor environments in Healthcare. Electrical engineering and electronics for Industrial Automation, Robotics and brains images for Neurosciences. Solid State Lighting in UVC range.

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

  •   Adjunct Professor Other

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Engineering

    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
 (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 (2)

Leveraging Digital Twin Strategies for Thermal Optimization of 228–230 nm Far-UVC Modules in HealthTech Innovation

Fredes, Pablo

BookSection
 (2026)

Tools of Neuroscience

Pablo Fredes, Ulrich Raff; Zeise, Marc L.

BookSection
 (2021)

ConferencePaper (2)

Empirical and Theoretical study of the Thermal Performance of High Power UVC LEDs

Fredes P.; Raff U.; Soto, C; Sharma P.

ConferencePaper SCOPUS
Optics InfoBase Conference Papers  (2022)

Optical Considerations for Design of Surface Disinfection Devices Based on UV-C LEDs

Fredes P.; Raff U.; Gramsch E.

ConferencePaper ISI SCOPUS
Proceedings of SPIE - The International Society for Optical Engineering  (2021)

4
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

8
Pablo Fredes

Proofessor

Mechanical Engineering

Universidad de Santiago de Chile

Santiago, Chile

1
Jose Pascal

Académico

Departamento de Ingeniería Mecánica

Universidad de Santiago de Chile

Santiago, Chile