RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - FK (Fluor crown)
D-FK61

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.21665351-0.00466455116λ^{2}+0.00907679939λ^{-2}-0.000109123599λ^{-4}+2.81347967\text{×}10^{-05}λ^{-6}-1.39681747\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -2.54e-05 6.55e-09 -2.07e-11 4.52e-07 1.38e-09 0.1
n_d: 1.496999
V_d: 81.614851
glass_code: 497816
density: 3.9 g/cm3
coefficient_of_thermal_expansion_1: 1.45e-05 K-1
coefficient_of_thermal_expansion_2: 1.7e-05 K-1
ΔP_gF: 0.0319
climatic_resistance: 1.0

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

Data

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

INFO

CDGM Glass Co., Ltd.

CDGM Glass Co., Ltd. is a leading optical glass supplier in China with a worldwile distribution network.

External links


Glass

External links