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Optical constants of SUMITA - SSK (Very dense flint)
K-SSK1

Wavelength: µm
 (0.290 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.5692173-0.010022582λ^{2}+0.016067095λ^{-2}+0.00039868115λ^{-4}-1.5698671\text{×}10^{-05}λ^{-6}+1.1774033\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.61e-06 1.28e-08 -2.14e-10 5.61e-07 1.14e-09 0.186
n_d: 1.61720
V_d: 54.0
glass_code: 617540
density: 3.46 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.4e-06 K-1
ΔP_gF: -0.0053
climatic_resistance: 1.0
acid_resistance: 1.0

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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