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Optical constants of CDGM - ZPK (Dense phosphate crown)
H-ZPK3

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.50355665-0.00956011816λ^{2}+0.0134870279λ^{-2}-0.000107119645λ^{-4}+3.74651897\text{×}10^{-05}λ^{-6}-1.78002982\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -8.49e-06 9.72e-09 -2.62e-11 3.31e-07 6.47e-10 0.223
nd: 1.593490
Vd: 67.326618
glass_code: 593673
density: 3.36 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.15e-05 K-1
dPgF: 0.0052
climatic_resistance: 3.0

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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