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Optical constants of CDGM - ZF (Dense flint)
H-ZF12

Wavelength: µm
 (0.370 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.323730379λ^2}{λ^2-0.0598308169}+\frac{1.65668629λ^2}{λ^2-0.0120542686}+\frac{2.1214152λ^2}{λ^2-174.18792}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3e-06 4.05e-09 -1.34e-10 9.31e-07 3.32e-09 0.293
nd: 1.761820
Vd: 26.607986
glass_code: 762266
density: 3.17 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.4e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.01e-05 K-1
dPgF: 0.0128
climatic_resistance: 1.0

References

CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

CDGM Glass Co., Ltd.

CDGM Glass Co., Ltd. is a leading optical glass supplier in China with a worldwile distribution network.

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