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Optical constants of SUMITA - VC
K-VC181(M)

Wavelength: µm
 (0.340 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.1735917-0.01381902λ^{2}+0.029219972λ^{-2}+0.0011233335λ^{-4}-4.4143284\text{×}10^{-05}λ^{-6}+4.6335289\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 6.99e-06 2.24e-08 -2.94e-10 8.37e-07 3.41e-10 0.213
n_d: 1.80614
V_d: 41.1
glass_code: 811411
density: 4.71 g/cm3
coefficient_of_thermal_expansion_1: 5.7e-06 K-1
coefficient_of_thermal_expansion_2: 7.9e-06 K-1
ΔP_gF: -0.0061
climatic_resistance: 1.0
acid_resistance: 3.0

References

SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

SUMITA Optical Glass, Inc.

SUMITA Optical Glass, Inc. is a Japanese glass manufacturer

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