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Optical constants of CDGM - QF (Light flint)
H-QF50A

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.44404966-0.00918670215λ^{2}+0.0196254289λ^{-2}+0.000277356083λ^{-4}+3.30397755\text{×}10^{-05}λ^{-6}+1.33695258\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.15e-06 1.62e-08 -5.36e-11 7.72e-07 8.65e-10 0.235
n_d: 1.581439
V_d: 40.749269
glass_code: 581408
density: 2.61 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.04e-05 K-1
ΔP_gF: 0.0018
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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