E-BACED20 by Hoya
Special
Very Rare
Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.6485 |
|---|---|
| Abbe Number (Vd) | 53.03 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.66675 - 0.00973193\,\lambda^2 + 0.0174363\,\lambda^{-2} + 0.00047558\,\lambda^{-4} - 1.7145 \times 10^{-5}\,\lambda^{-6} + 1.10496 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.2 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.63335 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.68 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 2 |
| Acid Resistance | 3 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
Not in a position to accept new order because of discontinuation.
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| BSM71 | Ohara | 1.648497 | 53.035185 | |
| S-BSM71 | Ohara | 1.648498 | 53.023881 | |
| SSKN1 | Sumita | 1.6485 | 53.0 | |
| K-LaKn11 | Sumita | 1.6583 | 53.4 | |
| LAKN11 | Sumita | 1.6583 | 53.4 | |
| H-ZBAF3 | CDGM | 1.65691 | 51.12138 | |
| C58-51 | Corning | 1.658503 | 51.012014 | |
| SSKN5 | Schott | 1.65844 | 50.882921 | |
| N-SSK5 | Schott | 1.65844 | 50.88 | |
| S-BSM25 | Ohara | 1.658441 | 50.877554 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| BACED20 | Hoya | 1.648498 | 53.03151 | |
| LACL3 | Hoya | 1.664798 | 53.401295 | |
| MP-PCD55AR | Hoya | 1.63858 | 55.18 | |
| M-PCD55AR | Hoya | 1.63858 | 55.18 | |
| BACED5 | Hoya | 1.65844 | 50.86 | |
| LACL2 | Hoya | 1.650201 | 55.737216 | |
| BACD18 | Hoya | 1.63854 | 55.45 | |
| LACL4 | Hoya | 1.669603 | 51.65903 | |
| BACED2 | Hoya | 1.6223 | 53.11226 | |
| LACL1 | Hoya | 1.640851 | 56.835319 |