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Optical constants of SCHOTT - SK (Dense crown)
P-SK57Q1

Wavelength: µm
 (0.31 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.30536483λ^2}{λ^2-0.00736408831}+\frac{0.171434328λ^2}{λ^2-0.0255786047}+\frac{1.10117219λ^2}{λ^2-106.72606}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
n_d: 1.586
V_d: 59.5
glass_code: 586595.301
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
ΔP_gF: -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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