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Optical constants of SCHOTT - K (Crown)
N-ZK7A

Wavelength: µm
 (0.3 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.07509891λ^2}{λ^2-0.00676601657}+\frac{0.168895044λ^2}{λ^2-0.0230642817}+\frac{0.860503983λ^2}{λ^2-89.0498778}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 1.09e-05 1.98e-08 -1.49e-11 4.48e-07 3.26e-10 0.183
n_d: 1.508054
V_d: 61.04
glass_code: 508610.247
glass_status: standard
density: 2.4708 g/cm3
coefficient_of_thermal_expansion_1: 4.61e-06 K-1
coefficient_of_thermal_expansion_2: 5.23e-06 K-1
ΔP_gF: -0.0043
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 2.0
alkali_resistance: 1.2
phosphate_resistance: 2.2

Comments

References

SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

SCHOTT AG

SCHOTT AG is a German glass manufacturer. SCHOTT also publishes a glass catalog (SCHOTT Optical Glass Datasheets), which is a standard reference for the properties of many optical glasses.

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