D44-45 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) | 1.744001 |
|---|---|
| Abbe Number (Vd) | 44.818533 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.33 — 1.8 µm |
$$n(\lambda) = \sqrt{2.96734 - 0.0127323\,\lambda^2 + 0.0260952\,\lambda^{-2} + 0.000219053\,\lambda^{-4} + 4.98567 \times 10^{-5}\,\lambda^{-6} - 6.48089 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.7 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.7 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[7.6 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 4.1 |
|---|---|
| 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 | |
|---|---|---|---|---|
| LAM2 | Ohara | 1.743997 | 44.787528 | |
| N-LAF2 | Schott | 1.74397 | 44.85 | |
| S-LAM2 | Ohara | 1.743997 | 44.786431 | |
| LAF20 | Hoya | 1.744 | 44.872914 | |
| LAF2 | Hoya | 1.744 | 44.9 | |
| K-LaF2 | Sumita | 1.744 | 44.9 | |
| LAF2 | Sumita | 1.744 | 44.9 | |
| H-LAF3B | CDGM | 1.744 | 44.900027 | |
| LAF2 | Schott | 1.744002 | 44.719972 | |
| K-VC174(M) | Sumita | 1.74578 | 45.1 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D17-48 | Corning | 1.717011 | 47.998493 | |
| D20-50 | Corning | 1.720003 | 50.312121 | |
| D88-47 | Corning | 1.788001 | 47.412327 | |
| D34-51 | Corning | 1.733513 | 51.387663 | |
| D01-41 | Corning | 1.701805 | 41.110216 | |
| D96-43 | Corning | 1.796195 | 43.217783 | |
| D23-38 | Corning | 1.72349 | 37.995089 | |
| E00-46 | Corning | 1.800001 | 45.608618 | |
| E03-47 | Corning | 1.803002 | 46.408629 | |
| C90-50 | Corning | 1.689009 | 49.625392 |