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Optical constants of CDGM - QF (Light flint)
H-QF3

Wavelength: µm
 (0.350 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.31974395λ^2}{λ^2-0.0096223383}+\frac{0.106724103λ^2}{λ^2-0.0534250071}+\frac{1.12240441λ^2}{λ^2-121.814727}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.78e-06 1.49e-08 -4.97e-11 7.15e-07 4.63e-10 0.244
nd: 1.575010
Vd: 41.504715
glass_code: 575415
density: 2.6 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.03e-05 K-1
dPgF: 0.0025
climatic_resistance: 2.0

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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