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Optical constants of CDGM - ZK (Dense crown)
H-ZK8

Wavelength: µm
 (0.313–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.600949826λ^2}{λ^2-5.19864453\text{×}10^{-11}}+\frac{0.958288632λ^2}{λ^2-0.0167563008}+\frac{1.1405978λ^2}{λ^2-133.109431}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.5e-06 2.04e-08 -3.25e-11 5.04e-07 -5.67e-10 0.213
nd: 1.614050
Vd: 55.116283
glass_code: 614551
density: 3.58 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.6e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.8e-06 K-1
climatic_resistance: 4.0

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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