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Optical constants of SCHOTT - Inquiry glasses
N-SF56

Wavelength: µm
 (0.38 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.73562085λ^2}{λ^2-0.0129624742}+\frac{0.317487012λ^2}{λ^2-0.0612884288}+\frac{1.95398203λ^2}{λ^2-161.559441}$$

Comments

inquiry glass

Data

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

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -4.13e-06 7.65e-09 -1.12e-11 9.9e-07 1.57e-09 0.287
n_d: 1.7847
V_d: 26.1
glass_code: 785261.328
glass_status: special
density: 3.28 g/cm3
coefficient_of_thermal_expansion_1: 8.7e-06 K-1
coefficient_of_thermal_expansion_2: 1e-05 K-1
ΔP_gF: 0.014
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.3
phosphate_resistance: 1.0

References

SCHOTT Zemax catalog 2015-07-22

More info - wiki

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.

External links