C48-34 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) | 1.647992 |
|---|---|
| Abbe Number (Vd) | 33.943274 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.32 — 1.8 µm |
$$n(\lambda) = \sqrt{2.63421 - 0.00789667\,\lambda^2 + 0.0277965\,\lambda^{-2} + 0.000137068\,\lambda^{-4} + 0.000122103\,\lambda^{-6} - 3.36448 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 8.2 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.86 |
|---|---|
| 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 | |
|---|---|---|---|---|
| SF2 | Sumita | 1.64769 | 33.9 | |
| H-ZF1A | CDGM | 1.64769 | 33.887993 | |
| SF2 | Schott | 1.64769 | 33.85 | |
| H-ZF1 | CDGM | 1.64769 | 33.840317 | |
| SF12 | Schott | 1.64831 | 33.841187 | |
| E-FD2 | Hoya | 1.64769 | 33.84 | |
| ZF1 | CDGM | 1.647693 | 33.836872 | |
| FD2 | Hoya | 1.647693 | 33.836872 | |
| N-SF2 | Schott | 1.64769 | 33.82 | |
| PBM22 | Ohara | 1.647689 | 33.802937 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C37-35 | Corning | 1.636493 | 35.322642 | |
| C67-33 | Corning | 1.666997 | 33.114648 | |
| C26-36 | Corning | 1.625903 | 35.60701 | |
| C72-32 | Corning | 1.672698 | 32.31788 | |
| C20-36 | Corning | 1.62001 | 36.30126 | |
| C51-39 | Corning | 1.650206 | 39.193419 | |
| C89-31 | Corning | 1.689004 | 31.210861 | |
| C55-40 | Corning | 1.6555 | 40.115717 | |
| C97-36 | Corning | 1.695989 | 36.517325 | |
| C04-38 | Corning | 1.603499 | 38.110538 |