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Refractive index database


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Optical constants of CDGM - ZF (Dense flint)
H-ZF7LAGT

Wavelength: µm
 (0.360 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=3.11930169-0.0120954989λ^{2}+0.0427579381λ^{-2}+0.00249825483λ^{-4}-0.000116785147λ^{-6}+2.28047853\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -7.02e-06 1.12e-08 -1.8e-11 8.78e-07 1.42e-09 0.31
nd: 1.805189
Vd: 25.477290
glass_code: 805255
glass_status: standard
density: 3.35 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.13e-05 K-1
dPgF: 0.0098
climatic_resistance: 1.0

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

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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