RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - SF (Dense flint)
J-SF7

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.61297958-0.00985563637λ^{2}-0.000106186576λ^{4}+0.0254765452λ^{-2}+0.000392630585λ^{-4}+0.000121161036λ^{-6}-1.21702106\text{×}10^{-05}λ^{-8}+9.86930857\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.4715e-06 1.1001e-08 -1.5599e-12 8.3662e-07 1.0549e-09 0.26251
n_d: 1.639800
V_d: 34.546201
density: 2.76 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.9e-06 K-1
ΔP_gF: 0.0051
phosphate_resistance: 1.0

References

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets

Data

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

INFO

Hikari Glass Co., Ltd.

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

External links


Glass

External links