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Optical constants of SUMITA - SFLD
K-SFLDn3

Wavelength: µm
 (0.360 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.2503692-0.013195714λ^{2}+0.049790724λ^{-2}+0.0022430157λ^{-4}-7.7567761\text{×}10^{-06}λ^{-6}+2.1169316\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -6.01e-06 1.26e-08 -1.23e-10 1.06e-06 1.37e-09 0.294
n_d: 1.84666
V_d: 23.9
glass_code: 847239
density: 3.49 g/cm3
coefficient_of_thermal_expansion_1: 8.9e-06 K-1
coefficient_of_thermal_expansion_2: 1.06e-05 K-1
ΔP_gF: 0.018
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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