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Optical constants of SCHOTT - SK (Dense crown)
P-SK57

Wavelength: µm
 (0.32 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.31053414λ^2}{λ^2-0.00740877235}+\frac{0.169376189λ^2}{λ^2-0.0254563489}+\frac{1.10987714λ^2}{λ^2-107.751087}$$

Comments

suitable for precision molding

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: 2.6e-06 9.4e-09 -2.3e-11 4.9e-07 5.96e-10 0.178
n_d: 1.587
V_d: 59.6
glass_code: 587596.301
glass_status: standard
density: 3.012 g/cm3
coefficient_of_thermal_expansion_1: 7.23e-06 K-1
coefficient_of_thermal_expansion_2: 8.9e-06 K-1
ΔP_gF: -0.0024
climatic_resistance: 4.0
stain_resistance: 3.0
acid_resistance: 52.3
alkali_resistance: 2.0
phosphate_resistance: 3.0

References

1) SCHOTT optical glass data sheets 2015-07-22
2) 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