D-ZK2A by CDGM
Preferred
Common
Precision Molding
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) | 1.58313 |
|---|---|
| Abbe Number (Vd) | 59.539751 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.302 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.712027\,\lambda^2}{\lambda^2 - 0.00271555} + \frac{0.755934\,\lambda^2}{\lambda^2 - 0.0157695} + \frac{1.03452\,\lambda^2}{\lambda^2 - 102.738}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.6 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.7 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.38 \times 10^{-6} + 2(1.44 \times 10^{-8})\,\Delta T + 3(-7.06 \times 10^{-12})\,\Delta T^2 + \frac{4.67 \times 10^{-7} + 2(3.33 \times 10^{-10})\,\Delta T}{\lambda - 0.196}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.09 |
|---|---|
| Relative Cost | 4.1 |
Mechanical Properties
| Young's Modulus (GPa) | 89.06 |
|---|---|
| Poisson's Ratio | 0.251 |
| Knoop Hardness (kgf/mm²) | 558.0 |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 0 |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
anneal rate:4℃/h
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| MC-BACD12 | Hoya | 1.58313 | 59.46 | |
| MP-BACD12 | Hoya | 1.58313 | 59.46 | |
| M-BACD12 | Hoya | 1.58313 | 59.46 | |
| BACD12 | Hoya | 1.583129 | 59.459639 | |
| SK12 | Schott | 1.583131 | 59.448822 | |
| K-SKLD120(M) | Sumita | 1.58401 | 59.5 | |
| L-BAL42 | Ohara | 1.583126 | 59.385694 | |
| S-BAL42 | Ohara | 1.583126 | 59.374673 | |
| BAL42 | Ohara | 1.583126 | 59.373789 | |
| SK12 | Sumita | 1.58313 | 59.3 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZK2 | CDGM | 1.58313 | 59.460082 | |
| D-ZK2A-25 | CDGM | 1.58229 | 59.453631 | |
| D-ZK2 | CDGM | 1.58313 | 59.381686 | |
| D-ZK2-25 | CDGM | 1.58241 | 59.308255 | |
| D-ZK2L-25 | CDGM | 1.58625 | 59.524868 | |
| D-ZK2L | CDGM | 1.587 | 59.600321 | |
| D-ZK3L-25 | CDGM | 1.5909 | 60.618517 | |
| D-ZK3A-25 | CDGM | 1.58828 | 61.012484 | |
| D-ZK3L | CDGM | 1.5917 | 60.701147 | |
| D-ZK3A | CDGM | 1.58913 | 61.101573 |