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Master's Dissertation
DOI
10.11606/D.54.1988.tde-14102014-105356
Document
Author
Full name
Luiz Henrique Pereira de Godoy
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1988
Supervisor
Committee
Mokross, Bernhard Joachim (President)
Andreeta, Jose Pedro
Caliri, Antonio
Title in Portuguese
Guias de onda dielétricos em LiNbO3.
Keywords in Portuguese
Guias de onda dielétricos
Guias de onda óticos
Niobato de Lítio
Abstract in Portuguese
Guias de onda de luz foram fabricados por difusão térmica de Titânio em substratos de LiNbO3. Os índices efetivos dos modos guiados foram medidos usando o método de acoplamento por prismas e a equação de onda resolvida numericamente usando a aproximação WKB. Profundidade de difusão, variação máxima do índice de refração e o perfil da concentração de Titânio são calculados para um guia que suporta três modos TE
Title in English
Dielectrics optical waveguide in LiNO3
Keywords in English
Dielectrics waveguides
Lithium Niobate
Optical waveguides
Abstract in English
Optical waveguides have been fabricated by thermal diffusion of Titanium into LiNO3 substrate. The effective indices of guided modes have been measured using a prism coupling method and the wave equation has been solute numerically using the WKB approximation. The diffusion depth, maximum refractive index change and titanium concentration profited was calculated for one waveguide that support three TE modes
 
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Publishing Date
2014-10-20
 
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