MP-PCD4-40 by Hoya
Preferred
Very 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) | 1.61921 |
|---|---|
| Abbe Number (Vd) | 63.85 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.58315 - 0.00975023\,\lambda^2 + 0.0136154\,\lambda^{-2} + 0.000363461\,\lambda^{-4} - 2.11871 \times 10^{-5}\,\lambda^{-6} + 1.15361 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 10.3 |
|---|---|
| TCE 100/300°C (10-6/K) | 13.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.08 \times 10^{-5} + 2(2.42 \times 10^{-9})\,\Delta T + 3(1.57 \times 10^{-11})\,\Delta T^2 + \frac{7.21 \times 10^{-7} + 2(4.29 \times 10^{-10})\,\Delta T}{\lambda - 1.46 \times 10^{-9}}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.57 |
|---|---|
| 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 | — |
Notes
Preforms for Precision molding
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D-ZPK1A-25 | CDGM | 1.61999 | 63.763831 | |
| D-ZPK1A | CDGM | 1.62087 | 63.828532 | |
| PSK53A | Schott | 1.620141 | 63.480444 | |
| N-PSK53 | Schott | 1.62014 | 63.48 | |
| PSKN2 | Sumita | 1.618 | 63.4 | |
| K-PSKn2 | Sumita | 1.618 | 63.4 | |
| H-ZPK1A | CDGM | 1.618 | 63.392702 | |
| N-PSK53A | Schott | 1.618 | 63.39 | |
| PHM52 | Ohara | 1.617999 | 63.386441 | |
| S-PHM52 | Ohara | 1.618 | 63.333504 |