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Optical constants of CDGM - QF (Light flint)
H-QF8

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.32749417-0.007674586λ^{2}+0.017076264λ^{-2}-0.000306358071λ^{-4}+9.60375308\text{×}10^{-05}λ^{-6}-3.46437878\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.28e-06 1.48e-08 -8.66e-11 5.08e-07 1.15e-10 0.282
nd: 1.540723
Vd: 47.229943
glass_code: 541472
density: 2.54 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.13e-05 K-1
dPgF: 0.0025
climatic_resistance: 2.0

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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