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Optical constants of CDGM - QF (Light flint)
QF3

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.4245509-0.0079714057λ^{2}+0.019149892λ^{-2}+0.00035505098λ^{-4}+1.3941882\text{×}10^{-05}λ^{-6}+1.705772\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.575026
Vd: 41.296920
glass_code: 575413
glass_status: preferred
density: 3.18 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.14e-05 K-1
dPgF: -0.001

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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