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Optical constants of CDGM - F (Flint)
F3

Wavelength: µm
 (0.320–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.54428229-0.00835307611λ^{2}+0.0228231808λ^{-2}+0.000670214922λ^{-4}+1.04294821\text{×}10^{-06}λ^{-6}+3.03297376\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.64e-07 1.78e-08 -2.72e-11 9.68e-07 1.31e-09 0.235
nd: 1.616592
Vd: 36.627394
glass_code: 617366
glass_status: preferred
density: 3.57 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.5e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1e-05 K-1
dPgF: -0.0026

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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