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Optical constants of CDGM - ZK (Dense crown)
H-ZK3A

Wavelength: µm
 (0.280 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.964352845λ^2}{λ^2-94.8895042}+\frac{0.77489966λ^2}{λ^2-0.014985413}+\frac{0.712663198λ^2}{λ^2-0.00294423381}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.86e-06 1.8e-08 -8.52e-12 4.69e-07 3.35e-10 0.137
nd: 1.589130
Vd: 61.253100
glass_code: 589613
glass_status: standard
density: 3.31 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 5.5e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 6.8e-06 K-1
dPgF: -0.0013
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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