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Optical constants of SUMITA - PG
K-PG325(M)

Wavelength: µm
 (0.280 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.2385136-0.0070158219λ^{2}+0.0095692073λ^{-2}+0.00018606584λ^{-4}-8.4285475\text{×}10^{-06}λ^{-6}+5.3174439\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1.86e-05 -3.2e-09 -2.53e-11 4.98e-07 8.02e-10 0.172
n_d: 1.50506
V_d: 70.4
glass_code: 507705
density: 3.0 g/cm3
coefficient_of_thermal_expansion_1: 1.43e-05 K-1
coefficient_of_thermal_expansion_2: 1.65e-05 K-1
ΔP_gF: 0.0122
climatic_resistance: 1.0
acid_resistance: 5.0

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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