RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - FDS (Special dense flint)
M-FDS1

Wavelength: µm
 (0.36501 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.4984224-0.01689542λ^{2}+0.057567078λ^{-2}+0.0051693668λ^{-4}-0.0003996631λ^{-6}+6.2368582\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.83621e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.92286
Vd: 20.88
glass_code: 923209
glass_status: special
density: 4.42 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.11e-05 K-1
dPgF: 0.0263
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0

Comments

Not in a position to accept new order because of discontinuation.

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