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Optical constants of SUMITA - VC
K-VC90

Wavelength: µm
 (0.330 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.3299316-0.013661207λ^{2}+0.034088332λ^{-2}+0.0010979548λ^{-4}-2.7983676\text{×}10^{-05}λ^{-6}+5.172898\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 4.39e-07 1.31e-08 -1.78e-10 7.82e-07 9.78e-10 0.232
n_d: 1.85280
V_d: 39.0
glass_code: 853390
density: 4.98 g/cm3
coefficient_of_thermal_expansion_1: 7.7e-06 K-1
coefficient_of_thermal_expansion_2: 9.4e-06 K-1
ΔP_gF: -0.0056
climatic_resistance: 1.0
acid_resistance: 2.0

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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