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Optical constants of CDGM - F (Flint)
H-F3

Wavelength: µm
 (0.360 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.40512926λ^2}{λ^2-0.0103407899}+\frac{0.140987722λ^2}{λ^2-0.0561355281}+\frac{1.52292764λ^2}{λ^2-149.776911}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.01e-07 1.6e-08 -4.83e-11 7.01e-07 7.11e-10 0.277
nd: 1.616590
Vd: 36.651688
glass_code: 617367
density: 2.68 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 7.4e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.5e-06 K-1
dPgF: 0.0044
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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