Exact field expressions for guided modes of a general class of graded-index fibres
1979 ◽
Vol 29
(3)
◽
pp. 287-292
◽
1984 ◽
Vol 16
(3)
◽
pp. 197-205
◽
1980 ◽
Vol 28
(9)
◽
pp. 996-999
◽