Single-mode low-loss optical fibers for long-wave infrared transmission.
In this Letter, we report single-mode fibers made of chalcogenide glasses with low loss in the 5-12μm range. Glasses from the Ge-As-Te-Se system were optimized to prevent nucleation and to exhibit low density of charge carriers. Single-mode fibers were obtained through the rod-in-tube method by substituting 2% Te/Se between the core and cladding glasses. The resulting single-mode fibers had a core diameter of 30μm and exhibited losses of ~6 dB/m at 10.6μm, and as low as 3-4dB/m in the 6-10μm range.
Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85712, USA.
Zhiyong
Z
Yang
Tao
T
Luo
Shibin
S
Jiang
Jihong
J
Geng
Pierre
P
Lucas
D004867:Equipment Design; D005336:Fiber Optic Technology / Q000295:instrumentation*; D005898:Glass / Q000737:chemistry*; D007259:Infrared Rays; D008027:Light; D058955:Metalloids / Q000737:chemistry; D055100:Optical Fibers; D012643:Selenium / Q000737:chemistry; D013696:Temperature
D058955:Metalloids; D012643:Selenium