C99-30 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) | 1.699002 |
|---|---|
| Abbe Number (Vd) | 30.107427 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.35 — 1.8 µm |
$$n(\lambda) = \sqrt{2.78905 - 0.00964699\,\lambda^2 + 0.0302361\,\lambda^{-2} + 0.00179006\,\lambda^{-4} - 0.000112643\,\lambda^{-6} + 1.44954 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.9 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.8 |
| 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) | 4.16 |
|---|---|
| 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 | |
|---|---|---|---|---|
| PBM35 | Ohara | 1.698947 | 30.121211 | |
| S-TIM35 | Ohara | 1.698947 | 30.127865 | |
| SF15 | Schott | 1.69895 | 30.07 | |
| ZF11 | CDGM | 1.698949 | 30.065686 | |
| FD15 | Hoya | 1.698945 | 30.050548 | |
| H-ZF11 | CDGM | 1.69894 | 30.05045 | |
| E-FD15L | Hoya | 1.69895 | 30.05 | |
| E-FD15 | Hoya | 1.69895 | 30.05 | |
| N-SF15 | Schott | 1.69892 | 30.2 | |
| SF15 | Sumita | 1.69895 | 30.0 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C89-31 | Corning | 1.689004 | 31.210861 | |
| D17-29 | Corning | 1.717409 | 29.492751 | |
| C72-32 | Corning | 1.672698 | 32.31788 | |
| D28-28 | Corning | 1.728304 | 28.397796 | |
| C67-33 | Corning | 1.666997 | 33.114648 | |
| D40-28 | Corning | 1.740001 | 28.102623 | |
| D34-26 | Corning | 1.73402 | 26.500794 | |
| C97-36 | Corning | 1.695989 | 36.517325 | |
| C48-34 | Corning | 1.647992 | 33.943274 | |
| D56-27 | Corning | 1.755203 | 27.591377 |