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Optical constants of SCHOTT - LLF (Very light flint)
LLF1HTi

Wavelength: µm
 (0.3–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.22510445λ^2}{λ^2-0.00870432098}+\frac{0.125155671λ^2}{λ^2-0.0427325235}+\frac{0.892236751λ^2}{λ^2-108.049968}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.55e-07 1.41e-08 -3.32e-11 6.74e-07 6.27e-10 0.227
nd: 1.54815
Vd: 45.9
glass_code: 548459.294
glass_status: standard
density: 2.94 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.2e-06 K-1
dPgF: -0.001
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 2.0
phosphate_resistance: 1.0

Comments

i-line glass

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