PHM52 by Ohara
Obsolete
Unknown
Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
No transmission data available.
Optical Properties
| Refractive Index (nd) | 1.617999 |
|---|---|
| Abbe Number (Vd) | 63.386441 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.57824 - 0.0089851\,\lambda^2 + 0.0140693\,\lambda^{-2} + 0.000250446\,\lambda^{-4} - 3.69689 \times 10^{-6}\,\lambda^{-6} + 2.52238 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | — |
|---|---|
| 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 | |
|---|---|---|---|---|
| N-PSK53A | Schott | 1.618 | 63.39 | |
| H-ZPK1A | CDGM | 1.618 | 63.392702 | |
| K-PSKn2 | Sumita | 1.618 | 63.4 | |
| PCD4 | Hoya | 1.618 | 63.4 | |
| PSKN2 | Sumita | 1.618 | 63.4 | |
| N-PSK53 | Schott | 1.62014 | 63.48 | |
| PSK53A | Schott | 1.620141 | 63.480444 | |
| PCD53 | Hoya | 1.620139 | 63.516754 | |
| D-ZPK1A-25 | CDGM | 1.61999 | 63.763831 | |
| M-PCD4 | Hoya | 1.61881 | 63.85 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-PHM52 | Ohara | 1.618 | 63.333504 | |
| S-PHM52Q | Ohara | 1.617999 | 63.321449 | |
| S-PHM51 | Ohara | 1.617001 | 62.800809 | |
| PHM51 | Ohara | 1.617001 | 62.800809 | |
| S-PHM53 | Ohara | 1.603001 | 65.443648 | |
| PHM53 | Ohara | 1.603001 | 65.479908 | |
| S-BSM16 | Ohara | 1.620411 | 60.289582 | |
| BSM16 | Ohara | 1.62041 | 60.271913 | |
| BSM16C | Ohara | 1.62041 | 60.254106 | |
| BSM14 | Ohara | 1.603112 | 60.704896 |