Person:
González Cano, Agustín

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First Name
Agustín
Last Name
González Cano
URI
https://hdl.handle.net/20.500.14352/79943
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Óptica y Optometría
Department
Óptica
Area
Optica
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2023 - 20242
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End date: 2024 × Start date: 2020 ×

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Now showing 1 - 2 of 2
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    Deposition of Graphene Oxide on an SPR Fiber Refractometer for Sensor Applications
    (Sensors, 2023) Navarrete Fernández, María Cruz; Díaz Herrera, Natalia; González Cano, Agustín
    Graphene-based materials have been increasingly incorporated to optical fiber plasmonic sensors due to the peculiar physical and chemical properties of these materials (hardness and flexibility, high electrical and thermal conductivity, and very good adsorption for many substances, etc.). In this paper, we theoretically and experimentally showed how the addition of graphene oxide (GO) to optical fiber refractometers permits the development of surface plasmon resonance (SPR) sensors with very good characteristics. We used doubly deposited uniform-waist tapered optical fibers (DLUWTs) as supporting structures because of their already proven good performance. The presence of GO as an effective third layer is useful to tune the wavelength of the resonances. In addition, the sensitivity was improved. We depict the procedures for the production of the devices and characterize the GO+DLUWTs produced in this way. We also showed how the experimental results are in agreement with the theoretical predictions and used these to estimate the thickness of deposited GO. Finally, we compared the performance of our sensors with other ones that have been recently reported, showing that our results are among the best reported. Using GO as the medium in contact with the analyte, in addition to the good overall performance of devices, permit consideration of this option as an interesting possibility for the future development of SPR-based fiber sensors.
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    Educational resources for physics 101 instruction with health science degrees
    (2024) González Fernández, Verónica; González Cano, Agustín; Alda Serrano, Javier; Piedrahita Alonso, María Elena; Fernández Núñez, Sara; Díaz Herrera, Natalia; Navarrete Fernández, María Cruz; Ares, Laura; Orenes Plankova, Alexandra
    In the present article, we present a comprehensive suite of educational resources and interactive exercises designed for initial Physics instruction targeted at students pursuing a Degree in Optics and Optometry. These materials have the potential to be adaptable and beneficial across various disciplines within the realm of Health Sciences. We begin by performing a preliminary analysis of the perceptions of older and new students, to develop an optimized teaching program. This consists of several workpackages aiming to increase the personal interest and involvement of the students, as well as the practical aspects regarding the subject. We include several experimental demonstrations and experiences done in the classroom. To reinforce the assimilation of most difficult concepts some educational videos are also recorded for the students.