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Optical constants of CDGM - ZK (Dense crown)
D-ZK2L-25

Wavelength: µm
 (0.300 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.530248488λ^2}{λ^2-0.0175027403}+\frac{1.12537335λ^2}{λ^2-109.192004}+\frac{0.947317341λ^2}{λ^2-0.00498306497}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.09e-06 1.37e-08 -3.16e-11 4.84e-07 4.03e-10 0.189
nd: 1.586250
Vd: 59.524868
glass_code: 586595
density: 2.99 g/cm3
thermal_expansion:
  - temperature_range: 20 300 ℃
    coefficient: 9e-06 K-1
dPgF: -0.0035

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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