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Optical constants of CDGM - F (Flint)
F2

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.53265982-0.00773825354λ^{2}+0.0231731432λ^{-2}+0.000409362855λ^{-4}+3.78046829\text{×}10^{-05}λ^{-6}+1.03464346\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -3.84e-06 1.63e-08 -7.71e-11 9.44e-07 8.73e-10 0.251
n_d: 1.612929
V_d: 36.986002
glass_code: 613370
density: 3.5 g/cm3
coefficient_of_thermal_expansion_1: 1.01e-05 K-1
coefficient_of_thermal_expansion_2: 1.21e-05 K-1
ΔP_gF: -0.0014
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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