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Optical constants of CDGM - F (Flint)
F13

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.56957078-0.00760403138λ^{2}+0.0249680705λ^{-2}+0.000334501945λ^{-4}+5.6815438\text{×}10^{-05}λ^{-6}+6.07326285\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1.89e-06 2.03e-08 -1.74e-10 1.05e-06 9.12e-10 0.237
n_d: 1.625884
V_d: 35.713679
glass_code: 626357
density: 3.63 g/cm3
coefficient_of_thermal_expansion_1: 9.4e-06 K-1
coefficient_of_thermal_expansion_2: 1.11e-05 K-1
ΔP_gF: -0.0009
climatic_resistance: 2.0

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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