TY - CONF AU - N. Fontaine AU - M. Young C2 - Tech. Dig., Symp. on Optical Fiber Meas., Boulder, CO DA - 1998-09-01 00:09:00 LA - en PB - Tech. Dig., Symp. on Optical Fiber Meas., Boulder, CO PY - 1998 TI - Biased Perturbation Method for Index Profiling Single-Mode Fibers from Near-Field and Far-Field Data ER -