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Optical constants of CDGM - ZK (Dense crown)
D-ZK2-25

Wavelength: µm
 (0.280 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.1044946λ^2}{λ^2-0.0062094807}+\frac{0.36094124λ^2}{λ^2-0.0196844329}+\frac{1.01208343λ^2}{λ^2-101.038646}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2e-06 1.15e-08 4.47e-11 6.34e-07 6.43e-10 0.089
nd: 1.582410
Vd: 59.308255
glass_code: 582593
density: 2.96 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 7.3e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.2e-06 K-1
dPgF: -0.0035
climatic_resistance: 2.0

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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