[1] Oikawa M,Iga K,Sanada T,et al.Array of distributed-index planar microlenses prepared from ionexchange technique.Jpn J Appl Phys,1981,20(1):L296～301

[2] Oikawa M,Iga K.Distributed-index planar microlens.Appl Opt,1982,21(6):1052～1056

[4] Borrelli N F,Moore D L.Microlens array produced by a photolytic technique.Appl Opt,1988,27(3):476～479

[5] Rorrelli N F,Morse D L,Bellman R H,et al.Photolytic technique for producing microlenses in photosensitive glass.Appl Opt,1985,24(6):2520～2525

[7] Jewell J L,McCall S L,Lee Y H,et al.Microlens array produced by a photolytic technique.Appl Opt,1990,97(34):5050～5055

[9] Iga K,Kokubun Y,Oikawa M.Fundamentals on microoptics.Academic Press,INC,1984