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Optical constants of SUMITA - PG
K-PG395

Wavelength: µm
 (0.340 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.6754764-0.0097406258λ^{2}+0.023844634λ^{-2}+0.00098091134λ^{-4}-3.8466006\text{×}10^{-05}λ^{-6}+6.9920317\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1.15e-05 1.65e-09 -6.23e-11 1.13e-06 1.19e-09 0.255
n_d: 1.65800
V_d: 36.9
glass_code: 658369
density: 3.5 g/cm3
coefficient_of_thermal_expansion_1: 1.24e-05 K-1
coefficient_of_thermal_expansion_2: 1.59e-05 K-1
ΔP_gF: 0.0049
climatic_resistance: 1.0
acid_resistance: 3.0

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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