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Optical constants of CDGM - ZF (Dense flint)
D-ZF10-25

Wavelength: µm
 (0.360 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.39531577λ^2}{λ^2-134.661574}+\frac{0.180389834λ^2}{λ^2-0.0604305431}+\frac{1.57395389λ^2}{λ^2-0.0122657049}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.76e-06 6.62e-09 -3.57e-11 9.8e-07 1.12e-09 0.261
nd: 1.687310
Vd: 31.183804
glass_code: 687312
density: 2.84 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 1e-05 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.29e-05 K-1
dPgF: 0.0067
climatic_resistance: 1.0

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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