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Optical constants of CDGM - ZF (Dense flint)
H-ZF4A

Wavelength: µm
 (0.365 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.87667041-0.0108521785λ^{2}+0.0348454207λ^{-2}+0.00163571517λ^{-4}-8.15344316\text{×}10^{-05}λ^{-6}+1.79346084\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -6.08e-06 2.36e-08 2.8e-11 1.2e-06 -6.1e-10 0.244
n_d: 1.728254
V_d: 28.310916
glass_code: 728283
glass_status: standard
density: 3.05 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.12e-05 K-1
ΔP_gF: 0.0103
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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