@article{6873, author = {P. S. Antsiferov and M.R. Akdim and H. T. van Dam}, title = {Direct measurement of the matched spot size in a slow capillary discharge optical waveguide}, year = {2007}, journal = {Review of Scientific Instruments}, volume = {78}, number = {12}, month = {Dec}, isbn = {0034-6748}, url = {://000251988300009 }, language = {eng}, }