Exploració per autor "Yáñez Alvarado, Carlos René"
Ara es mostren els items 1-9 de 9
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Confocal flowmeter based on self-mixing interferometry for real-time velocity profiling of turbid liquids flowing in microcapillaries
Yáñez Alvarado, Carlos René; Azcona Guerrero, Francisco Javier; Royo Royo, Santiago (2019-08-19)
Article
Accés obertWe propose a new confocal device for flow profiling in microcapillaries. A viewfinder system is developed using a visible light microscope, allowing focusing with high precision an 830 nm Fabry-Perot laser diode on a ... -
Current Developments on Optical Feedback Interferometry as an All-Optical Sensor for Biomedical Applications
Perchoux, Julien; Quotb, Adam; Atashkhooei, Reza; Azcona Guerrero, Francisco Javier; Ramírez Miquet, Evelio E.; Bernal, Olivier; Jha, Ajit; Luna Arriaga, Antonio; Yáñez Alvarado, Carlos René; Caum Aregay, Jesús; Bosch, Thierry; Royo Royo, Santiago (2016-05-13)
Article
Accés obertOptical feedback interferometry (OFI) sensors are experiencing a consistent increase in their applications to biosensing due to their contactless nature, low cost and compactness, features that fit very well with current ... -
Extraction of vibration parameters from optical feedback interferometry signals using wavelets
Jha, Ajit; Azcona Guerrero, Francisco Javier; Yáñez Alvarado, Carlos René; Royo Royo, Santiago (2015-12-01)
Article
Accés obertThis paper proposes the use of the wavelet transform as a technique that is suited for fringe detection and analysis of optical feedback interferometry (OFI) signals, thus allowing the retrieval of extremely small physical ... -
Improvement of the signal-to-noise ratio in a low power self-mixing interferometer using a coupled interferometric effect
Yáñez Alvarado, Carlos René; Royo Royo, Santiago (2020-12-07)
Article
Accés obertWe present experimental results of a low-emission self-mixing interferometer that uses a coupled interferometric effect to improve the signal produced by a vibrating target. This method is intended to be useful in applications ... -
Medición confocal de la velocidad con que una emulsión fluye en el centro de un capilar utilizando interferometría realimentada
Yáñez Alvarado, Carlos René; Royo Royo, Santiago (Asociación Científica de Óptica y Fotónica de Santiago, 2017)
Comunicació de congrés
Accés restringit per política de l'editorialEn este trabajo se presenta un novedoso sistema confocal de flujometría láser Doppler. Por medio de una técnica de interferometría realimentada, se infiere la frecuencia Doppler relativa a la velocidad con que fluye una ... -
Microcantilever Displacement Measurement Using a Mechanically Modulated Optical Feedback Interferometer
Azcona Guerrero, Francisco Javier; Jha, Ajit; Yáñez Alvarado, Carlos René; Atashkhooei, Reza; Royo Royo, Santiago (2016-06-29)
Article
Accés obertMicrocantilever motion detection is a useful tool for the characterization of the physical, chemical and biological properties of materials. In the past, different approaches have been proposed and tested to enhance the ... -
Optical technologies for the improvement of skin cancer diagnosis: a review
Rey Barroso, Laura; Peña Gutiérrez, Sara; Yáñez Alvarado, Carlos René; Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Royo Royo, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-02)
Article
Accés obertThe worldwide incidence of skin cancer has risen rapidly in the last decades, becoming one in three cancers nowadays. Currently, a person has a 4% chance of developing melanoma, the most aggressive form of skin cancer, ... -
Overview of biofluids and flow sensing techniques applied in clinical practice
Yáñez Alvarado, Carlos René; Mas Giménez, Gerard de; Royo Royo, Santiago (2022-09-09)
Article
Accés obertThis review summarizes the current knowledge on biofluids and the main flow sensing techniques applied in healthcare today. Since the very beginning of the history of medicine, one of the most important assets for evaluating ... -
Vibrometría de alta resolución utilizando interferometría óptica retroalimentada diferencial por modulación electrónica
Jha, Ajit; Azcona Guerrero, Francisco Javier; Yáñez Alvarado, Carlos René; Royo Royo, Santiago (2015)
Text en actes de congrés
Accés obertEn este artículo presentamos un nuevo método para la medición de desplazamientos con amplitud de movimiento inferior a media longitud de onda láser. El método propuesto está basado en la inducción de modulación sobre la ...