BACD16 by Hoya
Standard
Rare
Environmentally Dangerous
BACD16 by Hoya is a standard optical glass with a rare melt frequency. It transmits from 0.30 to 1.55 µm with an nd of 1.62041 and a Vd of 60.35. It has low thermal expansion (CTE of 6.0×10⁻⁶/K), below average chemical resistance, and dangerous environmental properties.
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) | 1.62041 |
|---|---|
| Abbe Number (Vd) | 60.35 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.58599 - 0.0119404\,\lambda^2 + 0.0139955\,\lambda^{-2} + 0.000489745\,\lambda^{-4} - 3.91207 \times 10^{-5}\,\lambda^{-6} + 2.26119 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.1 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.98676 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Chemical Resistance
| Climatic Resistance | 3 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 5 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
General glass Type
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| H-ZK9B | CDGM | 1.62041 | 60.339343 | |
| C20-60 | Corning | 1.620406 | 60.332956 | |
| H-ZK9A | CDGM | 1.620412 | 60.368242 | |
| SK16 | Schott | 1.62041 | 60.323649 | |
| N-SK16 | Schott | 1.62041 | 60.32 | |
| SK16 | Sumita | 1.62041 | 60.3 | |
| K-SK16RH | Sumita | 1.62041 | 60.3 | |
| SK16RH | Sumita | 1.62041 | 60.3 | |
| S-BSM16 | Ohara | 1.620411 | 60.289582 | |
| H-TK9 | CDGM | 1.62075 | 60.299778 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| ADC1 | Hoya | 1.62 | 62.192825 | |
| ATC1 | Hoya | 1.62 | 62.19284 | |
| BACD7 | Hoya | 1.607292 | 59.474776 | |
| BACD4 | Hoya | 1.61272 | 58.58 | |
| BACD3 | Hoya | 1.608812 | 58.863994 | |
| MP-BACD15 | Hoya | 1.62263 | 58.17 | |
| M-BACD15 | Hoya | 1.62263 | 58.17 | |
| BACD15 | Hoya | 1.62299 | 58.12 | |
| BACD14 | Hoya | 1.60311 | 60.7 | |
| PCD5 | Hoya | 1.616998 | 62.827457 |