Ceramic material and optical device including the same

Details Ceramic material and optical device including the same Ceramic material and optical device including the same

C - Chemistry, Metallurgy

04

B

C04B 35/195 (2006.01) C03C 10/00 (2006.01) C03C 10/12 (2006.01) C03C 13/04 (2006.01) C04B 35/18 (2006.01) C04B 35/19 (2006.01) C04B 35/443 (2006.01)

Patent

CA 2452065

A ceramic material has a thermal expansion coefficient of 50 x 10-7 / ~C or less, an absolute value of the difference between the relative refractive indexes of silica glass and the ceramic material of 0.2 or less at a wavelength of 1550 nm, and a light attenuation coefficient of 0.3 dB/cm or more.

L'invention concerne un matériau céramique présentant un coefficient d'expansion thermique de 50 x 10?-7¿/·C ou moins, une valeur absolue de la différence entre les indices de réfraction relatifs de verre de silice et le matériau céramique de 0,2 ou moins à une longueur d'onde de 1550, et un coefficient d'atténuation de lumière de 0,3 dB/cm ou plus.

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