Title :
Fabrication of an expanded core fiber having MFD of 40 /spl mu/m preserving outer diameter
Author :
Hanaizumi, O. ; Aizawa, Y. ; Minamide, Hiroaki ; Kawakami, S.
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
fDate :
7/1/1994 12:00:00 AM
Abstract :
A thermally-diffused expanded core (TEC) fiber with the mode field diameter (MFD) of 40 μm has been fabricated by improving the diffusion process using an electric furnace. The outer diameter of any TEC fiber is preserved and the excess loss (normal-TEC-normal) is as low as 0.1 dB.
Keywords :
optical fibre fabrication; optical fibres; optical losses; thermal diffusion; 0.1 dB; 40 mum; MFD; diffusion process; electric furnace; excess loss; mode field diameter; outer diameter; thermally-diffused expanded core fiber fabrication; Diffusion processes; Electron tubes; Fabrication; Furnaces; Heat treatment; Optical fiber devices; Optical fiber losses; Silicon compounds; Temperature distribution; Thermal expansion;
Journal_Title :
Photonics Technology Letters, IEEE