RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - FD (Dense flint)
E-FD13

Wavelength: µm
 (0.36501 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.9205906-0.013681618λ^{2}+0.03256776λ^{-2}+0.0028725519λ^{-4}-0.00024277107λ^{-6}+2.6614514\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.40517e-07 0.0 0.0 0.0 0.0 0.0
nd: 1.74077
Vd: 27.76
glass_code: 741278
density: 3.11 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.1e-05 K-1
dPgF: 0.0093
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