BACL3 by Hoya

Obsolete Unknown Environmentally Dangerous

BACL3 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.518351 and a Vd of 60.396486. It has dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Transmission Calculator
Valid wavelength range: 0.334–2.325 µm
Optical Properties
Refractive Index (nd) 1.518351
Abbe Number (Vd) 60.396486
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.26957 - 0.00637615\,\lambda^2 + 0.0138254\,\lambda^{-2} - 0.000444754\,\lambda^{-4} + 8.1031 \times 10^{-5}\,\lambda^{-6} - 3.80359 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) —
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance —
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
BALK3 Sumita 1.51835 60.3
B18-60 Corning 1.518201 60.291781
BALKN3 Schott 1.518489 60.259571
H-K7 CDGM 1.51478 60.634896
UK50 Schott 1.522571 60.383109
K50 Schott 1.522572 60.179756
S-NSL5 Ohara 1.522494 59.835417
NSL5 Ohara 1.522494 59.790926
K5 Sumita 1.52249 59.6
K7HT Schott 1.511144 60.466081
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
C40 Hoya 1.523 60.4016
C7 Hoya 1.511122 60.485929
C5 Hoya 1.522488 59.447258
BACL1 Hoya 1.526417 60.113677
C3 Hoya 1.518234 58.96082
E-C3 Hoya 1.51823 58.96
ZNC7 Hoya 1.508471 61.266087
C12 Hoya 1.523073 58.640203
BSC6 Hoya 1.531128 62.075664
BAC2 Hoya 1.539961 59.721586
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