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Optical constants of CDGM - ZF (Dense flint)
ZF10

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.75929053-0.00920455833λ^{2}+0.0293164338λ^{-2}+0.00148740799λ^{-4}-7.05223488\text{×}10^{-05}λ^{-6}+9.9538848\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 4.02e-06 3.02e-08 -2.4e-10 1.33e-06 -1.33e-10 0.247
n_d: 1.688934
V_d: 31.184753
glass_code: 689312
density: 4.21 g/cm3
coefficient_of_thermal_expansion_1: 7.6e-06 K-1
coefficient_of_thermal_expansion_2: 9.2e-06 K-1
ΔP_gF: -0.0002

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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