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Photoacoustic effect measurement in aqueous suspensions of gold nanorods caused by low-frequency and low-power near-infrared pulsing laser irradiation
Cita
Sanchez Lopez de Pablo, Cristina, Ramos Ávila, Julio Alberto, Fernández Caballero, Carlos 
ORCID: https://orcid.org/0000-0001-5259-9797, Pozo Guerrero, Francisco del ORCID: https://orcid.org/0000-0001-9919-9125 and Serrano Olmedo, José Javier ORCID: https://orcid.org/0000-0002-8544-8933
(2013).
Photoacoustic effect measurement in aqueous suspensions of gold nanorods caused by low-frequency and low-power near-infrared pulsing laser irradiation.
"Applied Optics", v. 52
(n. 19);
pp. 4698-4705.
ISSN 1559-128X.
https://doi.org/10.1364/AO.52.004698.
ORCID: https://orcid.org/0000-0001-5259-9797, Pozo Guerrero, Francisco del ORCID: https://orcid.org/0000-0001-9919-9125 and Serrano Olmedo, José Javier ORCID: https://orcid.org/0000-0002-8544-8933
(2013).
Photoacoustic effect measurement in aqueous suspensions of gold nanorods caused by low-frequency and low-power near-infrared pulsing laser irradiation.
"Applied Optics", v. 52
(n. 19);
pp. 4698-4705.
ISSN 1559-128X.
https://doi.org/10.1364/AO.52.004698.
Descripción
| Título: | Photoacoustic effect measurement in aqueous suspensions of gold nanorods caused by low-frequency and low-power near-infrared pulsing laser irradiation |
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| Autor/es: |
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| Tipo de Documento: | Artículo |
| Título de Revista/Publicación: | Applied Optics |
| Fecha: | Julio 2013 |
| ISSN: | 1559-128X |
| Volumen: | 52 |
| Número: | 19 |
| Materias: | |
| ODS: | |
| Escuela: | Centro de Tecnología Biomédica (CTB) (UPM) |
| Departamento: | Otro |
| Licencias Creative Commons: | Reconocimiento - Sin obra derivada - No comercial |
Resumen
When aqueous suspensions of gold nanorods are irradiated with a pulsing laser (808 nm), pressure waves appear even at low frequencies (pulse repetition rate of 25 kHz). We found that the pressure wave amplitude depends on the dynamics of the phenomenon. For fixed concentration and average laser current intensity, the amplitude of the pressure waves shows a trend of increasing with the pulse slope and the pulse maximum amplitude.We postulate that the detected ultrasonic pressure waves are a sort of shock waves that would be generated at the beginning of each pulse, because the pressure wave amplitude would be the result of the positive interference of all the individual shock waves.
Más información
| ID de Registro: | 26573 |
|---|---|
| Identificador DC: | https://oa.upm.es/26573/ |
| Identificador OAI: | oai:oa.upm.es:26573 |
| URL Portal Científico: | https://portalcientifico.upm.es/es/ipublic/item/2943048 |
| Identificador DOI: | 10.1364/AO.52.004698 |
| URL Oficial: | http://www.opticsinfobase.org/ao/abstract.cfm?uri=... |
| Depositado por: | Memoria Investigacion |
| Depositado el: | 21 Abr 2015 16:42 |
| Ultima Modificación: | 12 Nov 2025 00:00 |
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