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Optical constants of CDGM - F (Flint)
F4GTI

Wavelength: µm
 (0.320 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.953714037λ^2}{λ^2-115.513417}+\frac{1.31399551λ^2}{λ^2-0.00931937546}+\frac{0.24063751λ^2}{λ^2-0.0452869078}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.9e-06 2.24e-08 -2.95e-11 9.73e-07 8.74e-10 0.246
nd: 1.620050
Vd: 36.430813
glass_code: 620364
density: 3.57 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9.1e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.11e-05 K-1
dPgF: -0.0001
climatic_resistance: 1.0

Comments

i line glass

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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