@article{762771, author = {S. Mechels and John Schlager and Douglas Franzen}, title = {High-Resolution Differential-Mode Delay Measurements in Optical Fibers Using a Frequency-Domain Phase-Shift Technique}, year = {1997}, number = {9}, month = {1997-06-01 00:06:00}, publisher = {IEEE Photonics Technology Letters}, language = {en}, }