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Optical constants of SUMITA - PSK (Dense phosphate crown)
K-PSK100

Wavelength: µm
 (0.320 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.4948235-0.0091228463λ^{2}+0.013721276λ^{-2}+0.00023830265λ^{-4}+4.1915859\text{×}10^{-06}λ^{-6}-3.8958137\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -8.26e-07 2.08e-08 -1.4e-10 5.32e-07 -2.69e-10 0.175
n_d: 1.59170
V_d: 60.7
glass_code: 592607
density: 3.24 g/cm3
coefficient_of_thermal_expansion_1: 9.5e-06 K-1
coefficient_of_thermal_expansion_2: 1.14e-05 K-1
ΔP_gF: 0.0028
climatic_resistance: 1.0
acid_resistance: 6.0

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]

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SUMITA Optical Glass, Inc.

SUMITA Optical Glass, Inc. is a Japanese glass manufacturer

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