D-ZK3A-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) | 1.58828 |
|---|---|
| Abbe Number (Vd) | 61.012484 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.302 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.600126\,\lambda^2}{\lambda^2 - 0.00150824} + \frac{0.885666\,\lambda^2}{\lambda^2 - 0.0142989} + \frac{1.12368\,\lambda^2}{\lambda^2 - 95.8974}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 5.9 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.9 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.82 \times 10^{-6} + 2(1.69 \times 10^{-8})\,\Delta T + 3(-5.99 \times 10^{-11})\,\Delta T^2 + \frac{2.95 \times 10^{-7} + 2(2.52 \times 10^{-10})\,\Delta T}{\lambda - 0.271}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.01 |
|---|---|
| Relative Cost | 4.1 |
Mechanical Properties
| Young's Modulus (GPa) | 91.12 |
|---|---|
| Poisson's Ratio | 0.258 |
| Knoop Hardness (kgf/mm²) | 547.0 |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
anneal rate:25℃/h
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-BAL35R | Ohara | 1.58913 | 60.960312 | |
| S-BAL35 | Ohara | 1.58913 | 61.135024 | |
| P-SK58A | Schott | 1.58913 | 61.15 | |
| L-BAL35 | Ohara | 1.58913 | 61.152601 | |
| BAL35 | Ohara | 1.58913 | 61.182174 | |
| K-SKLD5 | Sumita | 1.58913 | 61.2 | |
| K-SK5 | Sumita | 1.58913 | 61.2 | |
| SK5 | Sumita | 1.58913 | 61.2 | |
| B89-61 | Corning | 1.588998 | 61.218914 | |
| BAL35Y | Ohara | 1.58913 | 61.233033 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D-ZK3A | CDGM | 1.58913 | 61.101573 | |
| D-ZK3 | CDGM | 1.58913 | 61.152901 | |
| H-ZK3A | CDGM | 1.58913 | 61.2531 | |
| H-ZK3 | CDGM | 1.58913 | 61.253571 | |
| D-ZK3-25 | CDGM | 1.58833 | 61.284362 | |
| D-ZK3L-25 | CDGM | 1.5909 | 60.618517 | |
| D-ZK3L | CDGM | 1.5917 | 60.701147 | |
| D-ZK2L | CDGM | 1.587 | 59.600321 | |
| D-ZK2L-25 | CDGM | 1.58625 | 59.524868 | |
| D-ZK2A | CDGM | 1.58313 | 59.539751 |