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Optical constants of CDGM - ZF (Dense flint)
H-ZF88GT

Wavelength: µm
 (0.390 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{2.04275349λ^2}{λ^2-0.0169742976}+\frac{1.98276153λ^2}{λ^2-109.068151}+\frac{0.504267829λ^2}{λ^2-0.075171071}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.58e-06 1.75e-08 -4.67e-11 1.18e-06 1.91e-09 0.33
nd: 1.945950
Vd: 17.941964
glass_code: 946179
density: 3.52 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 6e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 7.3e-06 K-1
dPgF: 0.0401
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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