D-ZK2L-25 by CDGM
Standard
Rare
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) | 1.58625 |
|---|---|
| Abbe Number (Vd) | 59.524868 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.302 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.530248\,\lambda^2}{\lambda^2 - 0.0175027} + \frac{1.12537\,\lambda^2}{\lambda^2 - 109.192} + \frac{0.947317\,\lambda^2}{\lambda^2 - 0.00498306}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | 9.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.09 \times 10^{-6} + 2(1.37 \times 10^{-8})\,\Delta T + 3(-3.16 \times 10^{-11})\,\Delta T^2 + \frac{4.84 \times 10^{-7} + 2(4.03 \times 10^{-10})\,\Delta T}{\lambda - 0.189}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.99 |
|---|---|
| Relative Cost | 6.0 |
Mechanical Properties
| Young's Modulus (GPa) | 92.25 |
|---|---|
| Poisson's Ratio | 0.25 |
| Knoop Hardness (kgf/mm²) | 592.0 |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
anneal rate:25℃/h
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| P-SK57Q1 | Schott | 1.586 | 59.5 | |
| CSK12 | Sumita | 1.5865 | 59.6 | |
| K-CSK120 | Sumita | 1.587 | 59.6 | |
| CSK120 | Sumita | 1.587 | 59.6 | |
| P-SK57 | Schott | 1.587 | 59.6 | |
| L-BAL43 | Ohara | 1.585729 | 59.69698 | |
| L-BAL42P | Ohara | 1.58593 | 59.248294 | |
| K-SKLD120 | Sumita | 1.5868 | 59.8 | |
| K-SKLD120(M) | Sumita | 1.58401 | 59.5 | |
| K-CSK120(M) | Sumita | 1.58445 | 59.2 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D-ZK2L | CDGM | 1.587 | 59.600321 | |
| D-ZK2A | CDGM | 1.58313 | 59.539751 | |
| H-ZK2 | CDGM | 1.58313 | 59.460082 | |
| D-ZK2 | CDGM | 1.58313 | 59.381686 | |
| D-ZK2A-25 | CDGM | 1.58229 | 59.453631 | |
| D-ZK2-25 | CDGM | 1.58241 | 59.308255 | |
| D-ZK3L-25 | CDGM | 1.5909 | 60.618517 | |
| D-ZK3L | CDGM | 1.5917 | 60.701147 | |
| D-ZK3A-25 | CDGM | 1.58828 | 61.012484 | |
| D-ZK3A | CDGM | 1.58913 | 61.101573 |