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Optical constants of SUMITA - VC
K-VC78(M)

Wavelength: µm
 (0.270 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.7266185-0.012222673λ^{2}+0.017519329λ^{-2}+0.00043056615λ^{-4}-2.0621869\text{×}10^{-05}λ^{-6}+1.440444\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1e-06 1.6e-08 -1.38e-10 5.07e-07 3.13e-10 0.19
n_d: 1.66624
V_d: 55.1
glass_code: 670554
density: 3.44 g/cm3
coefficient_of_thermal_expansion_1: 8e-06 K-1
coefficient_of_thermal_expansion_2: 1e-05 K-1
ΔP_gF: -0.0075
climatic_resistance: 1.0
acid_resistance: 4.0

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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