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Optical constants of CDGM - QK (Light crown)
H-QK1

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.13732812-0.00894176765λ^{2}+0.00967010992λ^{-2}-6.31093115\text{×}10^{-05}λ^{-4}+2.62713578\text{×}10^{-05}λ^{-6}-1.27152263\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -4.33e-06 2.75e-08 -4.55e-11 2.96e-07 -7.4e-10 0.257
n_d: 1.470466
V_d: 66.884514
glass_code: 470669
density: 2.3 g/cm3
coefficient_of_thermal_expansion_1: 7.3e-06 K-1
coefficient_of_thermal_expansion_2: 8.5e-06 K-1
ΔP_gF: -0.0002
climatic_resistance: 3.0

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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