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Optical constants of CDGM - BAK (Barium crown)
H-BAK3

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.35870163-0.00950600467λ^{2}+0.0127948403λ^{-2}-8.28951235\text{×}10^{-05}λ^{-4}+3.5627075\text{×}10^{-05}λ^{-6}-1.74142152\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 1.95e-06 2.23e-08 -5.19e-12 5.17e-07 2.24e-10 0.142
n_d: 1.546780
V_d: 62.741102
glass_code: 547628
density: 2.84 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
coefficient_of_thermal_expansion_2: 8e-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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