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Optical constants of CDGM - KF (Crownflint)
H-KF6

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.26924681-0.0111135716λ^{2}+0.010955079λ^{-2}+0.000811179449λ^{-4}-7.07180723\text{×}10^{-05}λ^{-6}+4.69509667\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.94e-07 1.77e-08 -1.13e-10 5.53e-07 9.82e-10 0.212
n_d: 1.517419
V_d: 52.189003
glass_code: 517522
density: 2.47 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.8e-06 K-1
ΔP_gF: 0.0005
climatic_resistance: 1.0

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

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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