@article{198351, author = {Timothy Drapela and Douglas Franzen and A. Cherin and R Smith}, title = {A comparison of far-field methods for determining mode field diameter of single-mode fibers using both gaussian and petermann definitions}, year = {1989}, number = {7}, month = {1989-08-01}, publisher = {Journal of Lightwave Technology}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=13639}, language = {en}, }