RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - LaC (Lanthanum crown)
LAC14

Wavelength: µm
 (0.280 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.8255229-0.013632902λ^{2}+0.019791402λ^{-2}+1.5032564\text{×}10^{-05}λ^{-4}+4.0761368\text{×}10^{-05}λ^{-6}-1.7527267\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 3.05e-06 1.07e-08 -2.21e-11 4.35e-07 4.49e-10 0.185
n_d: 1.69680
V_d: 55.46
glass_code: 697555
glass_status: standard
density: 3.67 g/cm3
coefficient_of_thermal_expansion_1: 5.6e-06 K-1
coefficient_of_thermal_expansion_2: 7.2e-06 K-1
ΔP_gF: -0.0059
climatic_resistance: 1.0
acid_resistance: 4.0

Comments

Recommended glass type

References

HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com)

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

External links


Glass

External links