RefractiveIndex.INFO

Refractive index database


nk database   |   n2 database   |   about

Shelf

Book

Page

Optical constants of SCHOTT - LaF (Lanthanum flint)
P-LAF37

Wavelength: µm
 (0.32–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.76003244λ^2}{λ^2-0.00938006396}+\frac{0.248286745λ^2}{λ^2-0.0360537464}+\frac{1.15935122λ^2}{λ^2-86.4324693}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
nd: 1.7555
Vd: 45.66
glass_code: 755457.399
glass_status: standard
density: 3.987 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.26e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.8e-06 K-1
dPgF: -0.008

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.

External links


Glass

External links