The effect of microbending loss on SNRs received from multimode graded-index fibers excited by single-mode laser sources is considered. Analytical expressions are derived which describe the combined effects of microbending loss and detector misalignment loss on the integrated intensity statistics in the fiber. The theoretical predictions for the SNR are experimentally checked and found to be in good agreement with the experimental data.
© 1983 Optical Society of America
Original Manuscript: April 2, 1983
Published: December 1, 1983
Dag Roar Hjelme and Alan Rolf Mickelson, "Microbending and modal noise," Appl. Opt. 22, 3874-3879 (1983)