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Optical constants of SUMITA - PSF
K-PSFn173(M)

Wavelength: µm
 (0.4 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=4.2616161-0.013994195λ^{2}+0.095197887λ^{-2}+0.0078651735λ^{-4}-0.00053525936λ^{-6}+0.00012395474λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 1.59e-05 2.25e-08 -1.48e-10 3.28e-06 3.23e-09 0.333
n_d: 2.14342
V_d: 17.3
glass_code: 148173
density: 7.03 g/cm3
coefficient_of_thermal_expansion_1: 7.9e-06 K-1
coefficient_of_thermal_expansion_2: 9.7e-06 K-1
ΔP_gF: 0.049
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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