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Optical constants of CDGM - ZPK (Dense phosphate crown)
H-ZPK1A

Wavelength: µm
 (0.300 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.57612635-0.00780401598λ^{2}+0.0152465014λ^{-2}-2.0774016\text{×}10^{-05}λ^{-4}+2.28544414\text{×}10^{-05}λ^{-6}-8.23333227\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1.07e-05 1.43e-08 -5.77e-11 3.87e-07 8.82e-11 0.189
n_d: 1.617998
V_d: 63.405767
glass_code: 618634
glass_status: standard
density: 3.61 g/cm3
coefficient_of_thermal_expansion_1: 9.9e-06 K-1
coefficient_of_thermal_expansion_2: 1.14e-05 K-1
ΔP_gF: 0.0019
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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