Attenuation of multimode glass optical waveguides
作者:
D.B. Keck,
P.C. Schultz,
F. Zimar,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 21,
issue 5
页码: 215-217
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654350
出版商: AIP
数据来源: AIP
摘要:
Glass optical waveguides show great promise of being the transmission medium for optical communication links. Single‐mode waveguides have already been reported having a total attenuation of less than 20 dB/km. In this work we report measurements on the first low‐loss multimode glass waveguide. These measurements include both total attenuation as a function of wavelength and total radiation attenuation at 632.8 nm. Total attenuation as low as 7 dB/km was observed near 1060 nm. This is due in part to fabrication techniques which diminished the OH concentration in the glass. A total radiation loss of 12.3 dB/km was measured that is higher than that predicted solely by Rayleigh scattering.
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