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Optical constants of CDGM - ZK (Dense crown)
H-ZK1

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.06131555λ^2}{λ^2-0.00543666583}+\frac{0.365740168λ^2}{λ^2-0.0187659148}+\frac{1.03466756λ^2}{λ^2-97.5169702}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
nd: 1.568880
Vd: 62.956990
glass_code: 569630
density: 3.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 6.1e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 7.5e-06 K-1
dPgF: -0.0011

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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