[2] Imura K,Sakakibara K.Colorimeter.U.S.Patent,6917429,2005.
[3] Hirschler R,Gay J.Proc.SPIE,2002,4421:773.
[4] Rinke G.U.S.Patent,5251007,1993.
[7] Shafer A B.Applied Optics,1967,6(1):159.
[8] Lee K S,Thompson K P,Rolland J P.Optics Express,2010,18(22):23378.
[9] Xue Qingsheng,Wang Shurong,Lu Fengqin.Applied Optics,2009,48(1):11.
[10] Futamata M,Takenouchi T,Katakura K Applied Optics,2002,41(22):4655.