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Optical constants of CDGM - ZF (Dense flint)
ZF3

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.84758519-0.0105088281λ^{2}+0.0309450925λ^{-2}+0.00213696398λ^{-4}-0.00013104012λ^{-6}+1.42428874\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.61e-06 2.44e-08 -3.11e-10 1.38e-06 1.2e-09 0.261
nd: 1.717365
Vd: 29.510385
glass_code: 717295
density: 4.46 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.5e-06 K-1
dPgF: 0.0012
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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