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Optical constants of CDGM - F (Flint)
H-F51

Wavelength: µm
 (0.360–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.19880199λ^2}{λ^2-118.703083}+\frac{0.146782039λ^2}{λ^2-0.0586919967}+\frac{1.46655148λ^2}{λ^2-0.0111709187}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.03e-06 1.5e-08 -4.64e-11 7.77e-07 8.08e-10 0.275
nd: 1.639800
Vd: 34.464570
glass_code: 640345
density: 2.76 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.4e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.02e-05 K-1
dPgF: 0.0054
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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