K-LCV93 by Sumita
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) | 1.6652 |
|---|---|
| Abbe Number (Vd) | 47.3 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36 — 1.55 µm |
$$n(\lambda) = \sqrt{2.7157 - 0.0123061\,\lambda^2 + 0.0192992\,\lambda^{-2} + 0.00076108\,\lambda^{-4} - 4.49098 \times 10^{-5}\,\lambda^{-6} + 3.34135 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 3.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 4.6 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.14 \times 10^{-5} + 2(1.46 \times 10^{-8})\,\Delta T + 3(-1.89 \times 10^{-10})\,\Delta T^2 + \frac{7.2 \times 10^{-7} + 2(9.27 \times 10^{-10})\,\Delta T}{\lambda - 0.225}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.64 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 4 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| BAH10 | Ohara | 1.670029 | 47.253429 | |
| S-BAH10 | Ohara | 1.670029 | 47.230916 | |
| BAF10 | Hoya | 1.67003 | 47.2 | |
| H-ZBAF52 | CDGM | 1.67003 | 47.19506 | |
| C70-47 | Corning | 1.670005 | 47.112037 | |
| N-BAF10 | Schott | 1.67003 | 47.11 | |
| BAFN10 | Schott | 1.670031 | 47.108735 | |
| H-ZBAF5 | CDGM | 1.67103 | 47.288963 | |
| BAF11 | Hoya | 1.66672 | 48.3 | |
| BAH11 | Ohara | 1.666718 | 48.317266 |