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Optical constants of SUMITA - PSF
K-PSFn1(M)

Wavelength: µm
 (0.380 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.418365-0.015830577λ^{2}+0.056024892λ^{-2}+0.0042907055λ^{-4}-0.00027089374λ^{-6}+4.8560287\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -3.11e-06 1.75e-08 -2.81e-10 1.25e-06 1.62e-09 0.307
n_d: 1.89945
V_d: 21.3
glass_code: 907212
density: 4.15 g/cm3
coefficient_of_thermal_expansion_1: 7.4e-06 K-1
coefficient_of_thermal_expansion_2: 1.02e-05 K-1
ΔP_gF: 0.0238
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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