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Optical constants of CDGM - QF (Light flint)
H-QF6A

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.30458321-0.00865226981λ^{2}+0.0147424307λ^{-2}+0.000146916808λ^{-4}+2.49577574\text{×}10^{-05}λ^{-6}+4.79637168\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.28e-06 2.18e-08 -9.29e-11 4.95e-07 4.67e-10 0.262
n_d: 1.531722
V_d: 48.851958
glass_code: 532488
density: 2.52 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.5e-06 K-1
ΔP_gF: 0.0041
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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