Coherent Optical Frequency Domain Reflectometry
Mostrando 1-3 de 3 artigos, teses e dissertações.
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1. TÃcnicas de Interferometria Ãptica aplicada à medicina, odontologia e comunicaÃÃes Ãpticas
In the work described in this thesis, we used two different interferometric techniques, the coherent optical frequency domain reflectometry (COFDR), and the optical coherence tomography (OCT). Both techniques are based on the Michelson interferometer. They were applied to optical communications and to medical and dentistry imaging. We will give a general des
Publicado em: 2006
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2. Amplificadores Ãpticos a fibras dopadas com TÃlio para a banda "S"
Due to the ever increasing amount of data traffic it has become necessary to expand the capacity of optical communication systems. This can be achieved by increasing the number of transmitted channels using Wavelength Division Multiplexing. Due to improvements of the manufacturing process of optical fibers, it is possible to use the entire low-loss spectral
Publicado em: 2005
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3. REFLECTOMETRIA COERENTE APLICADA AO ESTUDO DA INSTABILIDADE DE FREQÜÊNCIA E EFEITOS TÉRMICOS EM LASERS DE REALIMENTAÇÃO DISTRIBUÍDA / STUDY OF FREQUENCY INSTABILITY AND THERMAL EFFECTS IN DISTRIBUTAL FEEDBACK LASERS WITH COHERENT REFLECTOMETRY
Coherente reflectometry has been an important technique for characterization of optinal and optoeletronics devices used in communications systems. In this work, Coherente frequency domain reflectometry was used in the study of the Distributed-Feedback Semiconductor lasers characteristics. The measurement of thermal response of the laser module, linearity of
Publicado em: 1994