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Optical constants of CDGM - F (Flint)
H-F4

Wavelength: µm
 (0.360 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.131898794λ^2}{λ^2-0.05793195}+\frac{1.42441827λ^2}{λ^2-0.0106270032}+\frac{1.21746316λ^2}{λ^2-117.376535}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.06e-07 1.71e-08 -6.38e-11 7.53e-07 6.73e-10 0.266
nd: 1.620050
Vd: 36.345886
glass_code: 620364
glass_status: standard
density: 2.67 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 7.6e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9e-06 K-1
dPgF: 0.0047
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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