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Optical constants of CDGM - ZF (Dense flint)
H-ZF71

Wavelength: µm
 (0.370 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.406804868λ^2}{λ^2-0.064515213}+\frac{1.70831097λ^2}{λ^2-0.0127703237}+\frac{2.36137303λ^2}{λ^2-163.275585}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -9.66e-06 1.15e-08 -5.06e-11 9.75e-07 1.26e-09 0.313
nd: 1.808100
Vd: 22.698087
glass_code: 808227
density: 3.3 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9.3e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.05e-05 K-1
dPgF: 0.0224
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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