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

Wavelength: µm
 (0.302 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.814545367λ^2}{λ^2-0.00353645413}+\frac{1.105589λ^2}{λ^2-111.251357}+\frac{0.690102416λ^2}{λ^2-0.0141865271}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -8.45e-06 1e-08 -1.93e-11 3.72e-07 2.45e-10 0.181
nd: 1.593490
Vd: 67.285372
glass_code: 593673
density: 3.36 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9.6e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.15e-05 K-1
dPgF: 0.0057
climatic_resistance: 3.0

References

CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets

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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