BACL1 by Hoya

Obsolete Unknown Environmentally Dangerous

BACL1 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.526417 and a Vd of 60.113677. 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) 1.526417
Abbe Number (Vd) 60.113677
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.2955 - 0.00776502\,\lambda^2 + 0.0128323\,\lambda^{-2} - 0.000115625\,\lambda^{-4} + 4.46832 \times 10^{-5}\,\lambda^{-6} - 2.15948 \times 10^{-6}\,\lambda^{-8}}$$
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
H-K11 CDGM 1.52638 60.15737
K50 Schott 1.522572 60.179756
UK50 Schott 1.522571 60.383109
S-NSL5 Ohara 1.522494 59.835417
NSL5 Ohara 1.522494 59.790926
H-BAK1 CDGM 1.53028 60.466139
K5 Sumita 1.52249 59.6
B23-59 Corning 1.522996 59.479482
K5HT Schott 1.522453 59.530889
K5 Schott 1.522489 59.482671
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
C40 Hoya 1.523 60.4016
C5 Hoya 1.522488 59.447258
BACL3 Hoya 1.518351 60.396486
C12 Hoya 1.523073 58.640203
C3 Hoya 1.518234 58.96082
E-C3 Hoya 1.51823 58.96
BAC2 Hoya 1.539961 59.721586
BSC6 Hoya 1.531128 62.075664
C7 Hoya 1.511122 60.485929
ZNC1 Hoya 1.533149 58.063515
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