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Optical constants of CDGM - ZF (Dense flint)
H-ZF39

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.69566345-0.0106305729λ^{2}+0.0263464696λ^{-2}+0.0012869122λ^{-4}-6.75605612\text{×}10^{-05}λ^{-6}+1.09913394\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.04e-06 1.73e-08 -7.85e-11 8.74e-07 8.27e-10 0.261
n_d: 1.666805
V_d: 33.056453
glass_code: 667331
density: 2.92 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.12e-05 K-1
ΔP_gF: 0.0059
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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