D-ZLAF85LS 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) | 1.8545 |
|---|---|
| Abbe Number (Vd) | 40.593546 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.365 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.63869\,\lambda^2}{\lambda^2 - 0.0319258} + \frac{1.69999\,\lambda^2}{\lambda^2 - 0.00791791} + \frac{1.45547\,\lambda^2}{\lambda^2 - 112.179}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.3 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.1 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 5.29 |
|---|---|
| Relative Cost | 37.1 |
Mechanical Properties
| Young's Modulus (GPa) | 120.77 |
|---|---|
| Poisson's Ratio | 0.306 |
| Knoop Hardness (kgf/mm²) | 648.0 |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
anneal rate:4℃/h
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| K-VC185 | Sumita | 1.85375 | 40.6 | |
| L-LAH85 | Ohara | 1.854 | 40.393284 | |
| L-LAH85V | Ohara | 1.854 | 40.378368 | |
| S-LAH89 | Ohara | 1.8515 | 40.782269 | |
| MC-TAFD305 | Hoya | 1.85135 | 40.1 | |
| M-TAFD305 | Hoya | 1.85135 | 40.1 | |
| MP-TAFD305 | Hoya | 1.85135 | 40.1 | |
| M-TAFD315 | Hoya | 1.85135 | 40.07 | |
| MC-TAFD315 | Hoya | 1.85135 | 40.07 | |
| K-VC185(M) | Sumita | 1.84909 | 40.5 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D-ZLAF85L | CDGM | 1.8537 | 40.579411 | |
| D-ZLAF85LS-25 | CDGM | 1.85344 | 40.557917 | |
| D-ZLAF85L-25 | CDGM | 1.8526 | 40.534071 | |
| D-ZLAF85A | CDGM | 1.85222 | 40.10819 | |
| D-ZLAF85A-25 | CDGM | 1.8511 | 40.055609 | |
| D-ZLAF85LN | CDGM | 1.84558 | 40.094322 | |
| D-ZLAF85LN-25 | CDGM | 1.84443 | 40.067973 | |
| H-ZLAF55C | CDGM | 1.83481 | 42.711575 | |
| H-ZLAF55D | CDGM | 1.83481 | 42.725177 | |
| H-ZLAF73 | CDGM | 1.881 | 40.161331 |