'A"
Title: Demonstration of coupling to symmetric and antisymmetric cladding modes in arc-induced long-period fiber gratings
Author(s): Rego G (Rego, Gaspar), Ivanov OV (Ivanov, Oleg V.), Marques PVS (Marques, P. V. S.)
Source: OPTICS EXPRESS 14 (21): 9594-9599 OCT 16 2006  
Authors' addresses:
INESC, Unidade Optoelect & Sistemas Elect, P-4169007 Oporto, Portugal
IPVC, Escola Super Tecnol & Gestao, P-4900348 Viana Do Castelo, Portugal
Univ Porto, Dept Fis, Fac Ciencias, P-4169007 Oporto, Portugal

'B'
Title: Control of the characteristics of a long-period grating by cladding etching
Author(s): Kim SC, Jeong YC, Kim SW, Kwon JJ, Park NK, Lee B
Source: APPLIED OPTICS 39 (13): 2038-2042 MAY 1 2000