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Optical constants of CDGM - ZF (Dense flint)
ZF11

Wavelength: µm
 (0.365 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.7906689-0.010644977λ^{2}+0.029071854λ^{-2}+0.0021286607λ^{-4}-0.00015815625λ^{-6}+1.7145247\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
n_d: 1.698949
V_d: 30.065686
glass_code: 699301
density: 4.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.8e-06 K-1
ΔP_gF: 0.0048

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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