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Optical constants of CDGM - ZF (Dense flint)
H-ZF62

Wavelength: µm
 (0.390 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.50341992-0.0191891965λ^{2}+0.0536641379λ^{-2}+0.00664979774λ^{-4}-0.000678415522λ^{-6}+8.33179504\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -6.93e-06 1.88e-08 -4.14e-12 1.03e-06 1.45e-09 0.316
n_d: 1.922866
V_d: 20.882149
glass_code: 923209
density: 4.01 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.4e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.7e-06 K-1
ΔP_gF: 0.0298

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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