D-ZK3-25 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) | 1.58833 |
|---|---|
| Abbe Number (Vd) | 61.284362 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.302 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.24348\,\lambda^2}{\lambda^2 - 108.031} + \frac{0.918798\,\lambda^2}{\lambda^2 - 0.013952} + \frac{0.56718\,\lambda^2}{\lambda^2 - 0.0012762}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.2 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.3 |
| Thermal Conductivity (W/mK) | 0.949 |
| Heat Capacity (J/gK) | 0.732 |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.79 \times 10^{-6} + 2(1.11 \times 10^{-8})\,\Delta T + 3(-1.21 \times 10^{-11})\,\Delta T^2 + \frac{4.75 \times 10^{-7} + 2(7.05 \times 10^{-10})\,\Delta T}{\lambda - 0.157}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.83 |
|---|---|
| Relative Cost | 4.7 |
Mechanical Properties
| Young's Modulus (GPa) | 97.67 |
|---|---|
| Poisson's Ratio | 0.234 |
| Knoop Hardness (kgf/mm²) | 628.0 |
Chemical Resistance
| Climatic Resistance | 4 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
anneal rate:25℃/h
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| N-SK5HTi | Schott | 1.58913 | 61.27 | |
| N-SK5 | Schott | 1.58913 | 61.27 | |
| SK5 | Schott | 1.58913 | 61.266803 | |
| B89-61 | Corning | 1.588998 | 61.218914 | |
| BACD5 | Hoya | 1.58913 | 61.25 | |
| MC-BACD5N | Hoya | 1.58913 | 61.25 | |
| MP-BACD5N | Hoya | 1.58913 | 61.25 | |
| M-BACD5N | Hoya | 1.58913 | 61.25 | |
| BAL35Y | Ohara | 1.58913 | 61.233033 | |
| K-SKLD5 | Sumita | 1.58913 | 61.2 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZK3 | CDGM | 1.58913 | 61.253571 | |
| H-ZK3A | CDGM | 1.58913 | 61.2531 | |
| D-ZK3 | CDGM | 1.58913 | 61.152901 | |
| D-ZK3A | CDGM | 1.58913 | 61.101573 | |
| D-ZK3A-25 | CDGM | 1.58828 | 61.012484 | |
| D-ZK3L | CDGM | 1.5917 | 60.701147 | |
| D-ZK3L-25 | CDGM | 1.5909 | 60.618517 | |
| D-ZK2L | CDGM | 1.587 | 59.600321 | |
| D-ZK2L-25 | CDGM | 1.58625 | 59.524868 | |
| D-ZK2A | CDGM | 1.58313 | 59.539751 |