TiO(2)-SiO(2) based glasses for infrared hollow waveguides

Hollow core waveguides made of TiO(2)-SiO(2) based glasses have been proposed for the IR. A series of TiO(2)-SiO(2) based glasses were prepared and their complex refractive indices measured by reflectometry. Using measured refractive indices, we calculated spectral losses of the TiO(2)-SiO(2) hollow...

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Bibliographic Details
Published in:Applied optics (2004) 1991-03, Vol.30 (9), p.1074-1079
Main Authors: Nagano, N, Saito, M, Miyagi, M, Baba, N, Sawanobori, N
Format: Article
Language:English
Online Access:Get full text
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Summary:Hollow core waveguides made of TiO(2)-SiO(2) based glasses have been proposed for the IR. A series of TiO(2)-SiO(2) based glasses were prepared and their complex refractive indices measured by reflectometry. Using measured refractive indices, we calculated spectral losses of the TiO(2)-SiO(2) hollow waveguides. With the waveguides, we can expect efficient transmission of mid-IR light including CO(2) laser light, since refractive indices of the glasses become less than unity and the absorption coefficients become small in the 8-11-microm wavelength range.
ISSN:1559-128X
DOI:10.1364/AO.30.001074