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Optical constants of CDGM - ZF (Dense flint)
ZF7L

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.11724527-0.00977958678λ^{2}+0.0431752564λ^{-2}+0.00252279577λ^{-4}-0.00011739974λ^{-6}+2.07881157\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 4.87e-06 2.39e-08 -5.51e-11 1.91e-06 1.48e-09 0.253
n_d: 1.805190
V_d: 25.471232
glass_code: 805255
density: 5.19 g/cm3
coefficient_of_thermal_expansion_1: 7.9e-06 K-1
coefficient_of_thermal_expansion_2: 9.1e-06 K-1
ΔP_gF: 0.0074
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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