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Optical constants of CDGM - ZF (Dense flint)
H-ZF52GT

Wavelength: µm
 (0.370 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.26760058-0.0205384566λ^{2}+0.0351507672λ^{-2}+0.00770151348λ^{-4}-0.000908139817λ^{-6}+7.52649555\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -6.22e-06 1.92e-08 -2.63e-11 1.13e-06 6.65e-10 0.291
n_d: 1.846666
V_d: 23.787324
glass_code: 847238
glass_status: standard
density: 3.51 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.08e-05 K-1
ΔP_gF: 0.0128
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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