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Optical constants of CDGM - ZBAF (Dense barium flint)
ZBAF17

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.7114815-0.0083031047λ^{2}+0.023733195λ^{-2}+0.00028197729λ^{-4}+3.9409899\text{×}10^{-05}λ^{-6}+7.1756265\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.29e-08 1.54e-08 -1.58e-11 7.94e-07 1.05e-09 0.24
n_d: 1.667554
V_d: 41.957211
glass_code: 668419
density: 3.8 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.1e-06 K-1
ΔP_gF: -0.0014
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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