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Optical constants of CDGM - ZK (Dense crown)
D-ZK79

Wavelength: µm
 (0.300 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.54530492-0.00968163858λ^{2}+0.0157167913λ^{-2}+3.66972503\text{×}10^{-05}λ^{-4}+2.96132095\text{×}10^{-05}λ^{-6}-1.32380367\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 6.7e-07 1.89e-08 -2.68e-10 2.21e-07 1.09e-09 0.312
n_d: 1.608858
V_d: 57.965801
glass_code: 609579
density: 3.19 g/cm3
coefficient_of_thermal_expansion_1: 8.1e-06 K-1
coefficient_of_thermal_expansion_2: 9.9e-06 K-1
ΔP_gF: -0.0032
climatic_resistance: 4.0

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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