Attenuation in multimode step-index fibers caused by diffusing species is modeled. Data for losses in As2S3 fiber at 6.3 μm that are due to water υapor are analyzed.
© 1992 Optical Society of America
Original Manuscript: March 5, 1991
Published: March 20, 1992
Vincent Ruddy, Mark Daly, and Mitsunori Saito, "Attenuation due to diffusion of water vapor in As2S3 fiber," Appl. Opt. 31, 1173-1174 (1992)