'A'
Title: Design of cascaded volume holographic gratings to increase the number of channels for an optical demultiplexer
Author(s): Do DD (Do, Duc Dung), Kim N (Kim, Nam), Han TY (Han, Tae Young), An JW (An, Jun Won), Lee KY (Lee, Kwon Yeon)
Source: APPLIED OPTICS 45 (34): 8714-8721 DEC 1 2006
Authors' addresses:
LGS Corp, Res Ctr, Hwaseong 445812, Gyeonggi South Korea
Suncheon Natl Univ, Dept Elect Engn, Sunchon 540742, Jonnam South Korea

'B'
Title: Dispersion characteristics of holographic multiple-channel demultiplexers
Author(s): Han SH, Kim T, Chung SW, Lee B
Source: IEEE PHOTONICS TECHNOLOGY LETTERS 16 (8): 1879-1881 AUG 2004