概述
- Material: Quartz crystals magnesium fluoride
- Working range: 450-650nm, 550-700nm, 650-1000nm, 900-2100nm, 3000-5000nm;
- Available: 1/4 waveplate, 1/2 waveplate;
- Type: air gap, glued;
- Flat spectral response;
- Support customization.
Dimension-Labs offers temperature-insensitive 1/4 waveplates and half-waveplates with different dispersions of quartz crystals and magnesium fluoride materials, resulting in uniform phase delay over the operating range.
| Material | Quartz crystals magnesium fluoride |
Standard wavelengths |
450-650nm |
| Diameter tolerances | +0.0/-0.2mm | 550-750nm | |
| Surface | 40/20 | 650-1100nm | |
| Clear aperture | >90% | 900-2100nm | |
| Wavefront distortion | <λ/4@632.8nm(Only for air gaps) | Coating | Reflection on both sides, residual reflectance R <1% on one side |
| Parallelism (Monolithic) | <10秒 | Impairment threshold | Glue: >500mJ/cm2, 20ns, 20Hz @1064nm |
| Phase delay accuracy | <λ/100 | Air gap: >5J/cm2, 20ns, 20Hz @1064nm |
Achromatic quarter waveplate
● Design wavelength (nm): 200-1000, 400-700, 450-650, 550-750, 650-1100, 900-2100, 1100-2000 and 3000-5000 selectable ● Phase delay∆ Ø=π/2 ● Optional uninstalled or installed mechanical housing ● It is usually used to convert linearly polarized light into circularly polarized light
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Achromatic half waveplate
● Design wavelength (nm): 450-650, 650-1100 and 1100-2000 optional ● Phase delay∆Ø=π ● Optional uninstalled or installed mechanical housing ● It is usually used to deflect the polarization direction of linearly polarized light
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