TPX(THz) Lenses
Tuniu Optics provides high-performance TPX lenses in two standard diameters of 25mm and 38mm, with a variety of focal length options including 35mm, 50mm, 100mm and 200mm. Designed for optical focusing and beam collimation, these TPX lenses are widely deployed in terahertz spectrometers, terahertz imaging systems and various terahertz scientific research applications.
Parameters
| Material | TPX(Poly 4-methylpentene) |
| Aperture | > 90% |
| Design Wavelength | 300 μm |
| Diameter Tolerance | ± 0.25 mm |
| Center Thickness Tolerance | ± 0.2 mm |
| Focal Length Tolerance | ± 1% |
| Surface Quality | 80-50 |
| Surface Irregularities | 2 |
| Bevel | 0.3 X 0.3 |
| Refractive Index | 1.45@1 THz |
| Coating | Uncoated |
Model
| Dia., mm | Lens FL, mm | R, mm |
| 25.4 | 35 50 | 16.24 23.2 |
| 38 | 50 100 200 | 23.2 46.4 92.8 |