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Optical constants of SUMITA - SKF
K-SKF6

Wavelength: µm
 (0.320 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.2505164-0.0088684142λ^{2}+0.012260534λ^{-2}+0.00042234633λ^{-4}-2.1095054\text{×}10^{-05}λ^{-6}+2.2440064\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -9.67e-06 1.6e-08 -1.08e-10 4.97e-07 6.44e-11 0.231
n_d: 1.51200
V_d: 52.1
glass_code: 512521
density: 2.51 g/cm3
coefficient_of_thermal_expansion_1: 9.5e-06 K-1
coefficient_of_thermal_expansion_2: 1e-05 K-1
ΔP_gF: 0.0035
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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