K-PSK300 by Sumita
Standard
Common
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) | 1.5995 |
|---|---|
| Abbe Number (Vd) | 65.6 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36 — 1.55 µm |
$$n(\lambda) = \sqrt{2.52252 - 0.00943258\,\lambda^2 + 0.0127536\,\lambda^{-2} + 0.00028565\,\lambda^{-4} - 8.90581 \times 10^{-6}\,\lambda^{-6} + 2.81101 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 10.5 |
|---|---|
| TCE 100/300°C (10-6/K) | 12.8 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.33 \times 10^{-5} + 2(1.14 \times 10^{-8})\,\Delta T + 3(-3 \times 10^{-11})\,\Delta T^2 + \frac{4.03 \times 10^{-7} + 2(3.8 \times 10^{-10})\,\Delta T}{\lambda - 0.173}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.49 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 2 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 4 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| PHM53 | Ohara | 1.603001 | 65.479908 | |
| H-ZPK2A | CDGM | 1.603001 | 65.45962 | |
| S-PHM53 | Ohara | 1.603001 | 65.443648 | |
| PSK52 | Schott | 1.603101 | 65.409791 | |
| PCD51 | Hoya | 1.59349 | 67.0 | |
| MC-PCD51-70 | Hoya | 1.59271 | 66.97 | |
| MP-PCD51-70 | Hoya | 1.59271 | 66.97 | |
| M-PCD51 | Hoya | 1.59201 | 67.02 | |
| D-ZPK3-25 | CDGM | 1.59327 | 67.22642 | |
| D-ZPK3 | CDGM | 1.59419 | 67.295385 |
Similar Glasses (Sumita)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| K-PSK300(M) | Sumita | 1.5969 | 65.3 | |
| K-PSK400 | Sumita | 1.595 | 67.8 | |
| K-PSK400(M) | Sumita | 1.59179 | 67.7 | |
| K-GFK68 | Sumita | 1.5924 | 68.3 | |
| GFK68 | Sumita | 1.5924 | 68.3 | |
| K-GFK68(M) | Sumita | 1.58998 | 68.3 | |
| K-PSKn2 | Sumita | 1.618 | 63.4 | |
| PSKN2 | Sumita | 1.618 | 63.4 | |
| P-SK60 | Sumita | 1.59087 | 62.3 | |
| P-SK50 | Sumita | 1.5938 | 61.4 |