RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - FDS (Special dense flint)
FDS18

Wavelength: µm
 (0.36501 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.563784-0.025449644λ^{2}+0.058401659λ^{-2}+0.0092310983λ^{-4}-0.00095499727λ^{-6}+0.00011777456λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -2.60984e-06 0.0 0.0 0.0 0.0 0.0
n_d: 1.94595
V_d: 17.98
glass_code: 946180
density: 3.51 g/cm3
coefficient_of_thermal_expansion_1: 5.7e-06 K-1
coefficient_of_thermal_expansion_2: 7.1e-06 K-1
ΔP_gF: 0.0386
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0

Comments

General 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