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

Wavelength: µm
 (0.32–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

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

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.6e-06 9.4e-09 -2.3e-11 4.9e-07 5.96e-10 0.178
nd: 1.587
Vd: 59.6
glass_code: 587596.301
glass_status: standard
density: 3.012 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.23e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.9e-06 K-1
dPgF: -0.0024
climatic_resistance: 4.0
stain_resistance: 3.0
acid_resistance: 52.3
alkali_resistance: 2.0
phosphate_resistance: 3.0

Comments

suitable for precision molding

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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