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Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering

Optical coherence tomography (OCT) is one of the most advanced optical measurement techniques for complex structure visualization. The advantages of OCT have been used for surface and subsurface defect detection in composite materials, polymers, ceramics, non-metallic protective coatings, and many m...

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Autor Principal: Cadenbach, Spyros Thomas; C?rdenas, J F; Paz, Jos? Luis
Formato: Artículos
Lenguaje:eng
Publicado: 2016
Materias:
MESOSCOPIC
LASER ABLATED CARBON
NANOPARTICLES
WATER
Acceso en línea:http://repositorio.educacionsuperior.gob.ec/handle/28000/3403
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spelling oai:localhost:28000-34032017-04-13T19:09:37Z Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering Cadenbach, Spyros Thomas; C?rdenas, J F; Paz, Jos? Luis MESOSCOPIC LASER ABLATED CARBON NANOPARTICLES WATER Optical coherence tomography (OCT) is one of the most advanced optical measurement techniques for complex structure visualization. The advantages of OCT have been used for surface and subsurface defect detection in composite materials, polymers, ceramics, non-metallic protective coatings, and many more. Our research activity has been focused on timefrequency spectroscopic analysis in OCT. It is based on time resolved spectral analysis of the backscattered optical signal delivered by the OCT. The time-frequency method gives spectral characteristic of optical radiation backscattered or backreflected from the particular points inside the tested device. This provides more information about the sample, which are useful for further analysis. Nowadays, the applications of spectroscopic analysis for composite layers characterization or tissue recognition have been reported. During our studies we have found new applications of spectroscopic analysis. We have used this method for thickness estimation of thin films, which are under the resolution of OCT. Also, we have combined the spectroscopic analysis with polarization sensitive OCT (PS-OCT). This approach enables to obtain a multiorder retardation value directly and may become a breakthrough in PS-OCT measurements of highly birefringent media. In this work, we present the time-frequency spectroscopic algorithms and their applications for OCT. Also, the theoretical simulations and measurement validation of this method are shown. Escuela Polit?cnica Nacional http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2520977 2016-11-10T16:42:46Z 2016-11-10T16:42:46Z 2016 article Cardenas, J.F. et al. (2016). Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9890. 0277-786X http://repositorio.educacionsuperior.gob.ec/handle/28000/3403 eng restrictedAccess
institution SENESCYT
collection Repositorio SENESCYT
biblioteca Biblioteca Senescyt
language eng
format Artículos
topic MESOSCOPIC
LASER ABLATED CARBON
NANOPARTICLES
WATER
spellingShingle MESOSCOPIC
LASER ABLATED CARBON
NANOPARTICLES
WATER
Cadenbach, Spyros Thomas; C?rdenas, J F; Paz, Jos? Luis
Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering
description Optical coherence tomography (OCT) is one of the most advanced optical measurement techniques for complex structure visualization. The advantages of OCT have been used for surface and subsurface defect detection in composite materials, polymers, ceramics, non-metallic protective coatings, and many more. Our research activity has been focused on timefrequency spectroscopic analysis in OCT. It is based on time resolved spectral analysis of the backscattered optical signal delivered by the OCT. The time-frequency method gives spectral characteristic of optical radiation backscattered or backreflected from the particular points inside the tested device. This provides more information about the sample, which are useful for further analysis. Nowadays, the applications of spectroscopic analysis for composite layers characterization or tissue recognition have been reported. During our studies we have found new applications of spectroscopic analysis. We have used this method for thickness estimation of thin films, which are under the resolution of OCT. Also, we have combined the spectroscopic analysis with polarization sensitive OCT (PS-OCT). This approach enables to obtain a multiorder retardation value directly and may become a breakthrough in PS-OCT measurements of highly birefringent media. In this work, we present the time-frequency spectroscopic algorithms and their applications for OCT. Also, the theoretical simulations and measurement validation of this method are shown.
author Cadenbach, Spyros Thomas; C?rdenas, J F; Paz, Jos? Luis
author_facet Cadenbach, Spyros Thomas; C?rdenas, J F; Paz, Jos? Luis
author_sort Cadenbach, Spyros Thomas; C?rdenas, J F; Paz, Jos? Luis
title Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering
title_short Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering
title_full Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering
title_fullStr Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering
title_full_unstemmed Structure and Mesoscopic Characterization of Laser Ablated Carbon Nanoparticles in Water by Raman Scattering
title_sort structure and mesoscopic characterization of laser ablated carbon nanoparticles in water by raman scattering
publishDate 2016
url http://repositorio.educacionsuperior.gob.ec/handle/28000/3403
_version_ 1634995140529487872
score 11,871979

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