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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF1

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.57943-0.00757753047λ^{2}+0.0201786053λ^{-2}-0.000845832798λ^{-4}+0.000178126935λ^{-6}-9.19232657\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.71e-06 2.12e-08 -1.14e-10 4.62e-07 6.87e-11 0.246
n_d: 1.622297
V_d: 53.199535
glass_code: 622532
density: 3.57 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.2e-06 K-1
ΔP_gF: 0.0011

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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