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Optical constants of SUMITA - VC
K-VC91

Wavelength: µm
 (0.350 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.4399333-0.014633437λ^{2}+0.037625197λ^{-2}+0.0021748752λ^{-4}-0.00016417982λ^{-6}+1.5817576\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1.08e-06 1.12e-08 -9.02e-11 8.61e-07 1.32e-09 0.245
n_d: 1.88660
V_d: 35.0
glass_code: 887350
density: 4.87 g/cm3
coefficient_of_thermal_expansion_1: 7.7e-06 K-1
coefficient_of_thermal_expansion_2: 9.5e-06 K-1
ΔP_gF: -0.0045
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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