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Optical constants of HOYA - BaCD (Dense barium crown)
BACD4

Wavelength: µm
 (0.300 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.5584621-0.0097457283λ^{2}+0.015110495λ^{-2}+0.00023273333λ^{-4}+1.1137249\text{×}10^{-06}λ^{-6}+1.6424767\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.40941e-06 0.0 0.0 0.0 0.0 0.0
n_d: 1.61272
V_d: 58.58
glass_code: 613586
glass_status: special
density: 3.58 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.7e-06 K-1
ΔP_gF: 0.0019
climatic_resistance: 2.0
stain_resistance: 4.0
acid_resistance: 4.0

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.

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