[1] [1] CLARKE F J.High accuracy spectrophotomelry at the National Physical Laboratory[R].USA:Nat Bur Stand,1972,76A:375-403.

[2] [2] ECKERLE K L.WEIDNER V R,HSIA J J,et al.Extension of a reference spectrophotometer into the near infrared[R].USA:Nat Bur Stand,1983.

[3] [3] MIELENZ K D.Physical parameters in high -accuracy spectrophotometry[R].USA:Nat Bur Stand,1973.

[4] [4] NIEMCZYK T M,GOBELI G W.Characteristics of a direct grating drive[J].Applied Spectroscopy,1988,42(5):792-795.

[5] [5] Digikrom242 Double1/4 Meter Monochromator Instruction Manual[Z].USA:CVI Laser Corporation Scientific Instruments Group,1997.

[6] [6] MIELENZ K D,ECKERLE K L.Spectrophotometer linearity testing using the double aperture method[J].Appl Opt,1972,11:2294-2303.

[7] [7] TAYOR B N,KUYATT C E.Guidelines for evaluating and expressing the uncertainty of NIST measurement results[M].USA:NIST,1994:1297.