H-ZPK2A by CDGM
Preferred
Very Common
Environmentally Friendly
H-ZPK2A by CDGM is a preferred optical glass with a very common melt frequency. It transmits from 0.31 to 2.40 µm with an nd of 1.603001 and a Vd of 65.45962. It has medium thermal expansion (CTE of 9.3×10⁻⁶/K), excellent chemical resistance, and high relative cost.
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) | 1.603001 |
|---|---|
| Abbe Number (Vd) | 65.45962 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.365 — 1.014 µm |
$$n(\lambda) = \sqrt{2.53073 - 0.0083443\,\lambda^2 + 0.0146552\,\lambda^{-2} - 0.000216647\,\lambda^{-4} + 5.35525 \times 10^{-5}\,\lambda^{-6} - 2.46158 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 9.3 |
|---|---|
| TCE 100/300°C (10-6/K) | 11.5 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.22 \times 10^{-5} + 2(1.14 \times 10^{-8})\,\Delta T + 3(-2.2 \times 10^{-11})\,\Delta T^2 + \frac{4.82 \times 10^{-7} + 2(3.1 \times 10^{-10})\,\Delta T}{\lambda - 0.068}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Mechanical Properties
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| S-PHM53 | Ohara | 1.603001 | 65.443648 | |
| PHM53 | Ohara | 1.603001 | 65.479908 | |
| PSK52 | Schott | 1.603101 | 65.409791 | |
| K-PSK300 | Sumita | 1.5995 | 65.6 | |
| K-PSK300(M) | Sumita | 1.5969 | 65.3 | |
| LBC3N | Hoya | 1.60625 | 63.72 | |
| PCD51 | Hoya | 1.59349 | 67.0 | |
| MC-PCD51-70 | Hoya | 1.59271 | 66.97 | |
| MP-PCD51-70 | Hoya | 1.59271 | 66.97 | |
| C04-64 | Corning | 1.603507 | 63.401916 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| D-ZPK3 | CDGM | 1.59419 | 67.295385 | |
| D-ZPK3-25 | CDGM | 1.59327 | 67.22642 | |
| H-ZPK3 | CDGM | 1.59349 | 67.285372 | |
| D-ZPK1A-25 | CDGM | 1.61999 | 63.763831 | |
| H-ZPK1A | CDGM | 1.618 | 63.392702 | |
| D-ZPK1A | CDGM | 1.62087 | 63.828532 | |
| D-ZPK5-25 | CDGM | 1.59216 | 68.281511 | |
| D-ZPK5 | CDGM | 1.5928 | 68.342024 | |
| H-ZPK5 | CDGM | 1.5928 | 68.342024 | |
| H-ZK3 | CDGM | 1.58913 | 61.253571 |