BSC4 by Hoya

Obsolete Unknown Environmentally Dangerous

BSC4 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.50048 and a Vd of 65.996466. 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) 1.50048
Abbe Number (Vd) 65.996466
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.22545 - 0.0105674\,\lambda^2 + 0.00965599\,\lambda^{-2} + 0.000228468\,\lambda^{-4} - 1.17819 \times 10^{-5}\,\lambda^{-6} + 5.91144 \times 10^{-7}\,\lambda^{-8}}$$
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
BK4 Sumita 1.50048 66.0
H-K2 CDGM 1.50047 66.020774
BSL21 Ohara 1.503779 66.814545
BK3 Sumita 1.49831 65.1
BK3 Schott 1.498311 65.063609
BSL3 Ohara 1.498308 65.026785
N-BK10 Schott 1.49782 66.95
BK10 Schott 1.497821 66.95447
PK1 Schott 1.503781 66.921827
BK10 Sumita 1.49782 67.0
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BSC3 Hoya 1.498309 65.130542
PC1 Hoya 1.503779 66.88712
PC2 Hoya 1.51821 65.160509
BSC7 Hoya 1.5168 64.2
BSC1 Hoya 1.510091 63.435118
PC3 Hoya 1.52542 64.619542
FC1 Hoya 1.470787 66.706713
PCS1 Hoya 1.517284 69.67869
FC5 Hoya 1.48749 70.44
ZNC7 Hoya 1.508471 61.266087
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