D34-51 by Corning
Standard
Unknown
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) | 1.733513 |
|---|---|
| Abbe Number (Vd) | 51.387663 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.28 — 1.8 µm |
$$n(\lambda) = \sqrt{2.94276 - 0.0135074\,\lambda^2 + 0.0220814\,\lambda^{-2} + 0.000326378\,\lambda^{-4} + 1.11826 \times 10^{-5}\,\lambda^{-6} - 5.22989 \times 10^{-8}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.0 |
| 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) | 3.9 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-LAL59 | Ohara | 1.733997 | 51.47057 | |
| H-LAK54 | CDGM | 1.734 | 51.485829 | |
| LAL59 | Ohara | 1.733997 | 51.488026 | |
| LAKN12 | Sumita | 1.7335 | 51.2 | |
| TAC4 | Hoya | 1.734 | 51.05 | |
| LAK16A | Schott | 1.733501 | 51.779678 | |
| S-LAL61Q | Ohara | 1.740999 | 52.60195 | |
| LAK28 | Schott | 1.744287 | 50.770906 | |
| N-LAK28 | Schott | 1.74429 | 50.77 | |
| TAC2 | Hoya | 1.741 | 52.61 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D20-50 | Corning | 1.720003 | 50.312121 | |
| D13-54 | Corning | 1.713 | 53.843096 | |
| D17-48 | Corning | 1.717011 | 47.998493 | |
| C90-50 | Corning | 1.689009 | 49.625392 | |
| C97-55 | Corning | 1.697005 | 55.409848 | |
| C90-55 | Corning | 1.691008 | 54.793839 | |
| D44-45 | Corning | 1.744001 | 44.818533 | |
| C97-56 | Corning | 1.697 | 56.222926 | |
| D88-47 | Corning | 1.788001 | 47.412327 | |
| C78-56 | Corning | 1.678004 | 55.519168 |