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Optical constants of CDGM - ZPK (Dense phosphate crown)
D-ZPK5-25

Wavelength: µm
 (0.280 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.353073711λ^2}{λ^2-0.0178712877}+\frac{1.14580426λ^2}{λ^2-0.00563723799}+\frac{0.795754681λ^2}{λ^2-125.202885}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.01e-05 4.05e-09 -1.52e-11 4e-07 1.43e-10 0.192
nd: 1.592160
Vd: 68.281511
glass_code: 592683
density: 4.29 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 1.23e-05 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.43e-05 K-1
dPgF: 0.0154
climatic_resistance: 1.0

Comments

anneal rate:25℃/h

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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