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| Coad | 668881 | Parallelism | - | |
| Type | Achromatic Waveplate | Mount Type | - | |
| Substrate | Crystalline Quartz | Retardation Tolerance | - | |
| Mounting Dimensions (mm) | 25.4 | Retardation Order | m·λ + λ/2 | |
| Clear Aperture（mm） | 18 | Surface Quality S1 | - | |
| Wavelength(nm) | 700 - 900 | Surface Quality S2 | - | |
| Optical Retardance | λ/2 | Transmission Wavefront Deviation | - | |
| Diameter | - | Coating Type | Dielectric Coating (AR) | |
| Coating Specifications | AR@700-900nm | |||
Due to the birefringent nature of the material, a waveplate delays one component of polarized light, introducing a phase shift and thereby altering the polarization state of the transmitted light.
An achromatic waveplate is an optical element specifically designed to overcome the phase shift differences caused by multiple wavelengths. Unlike conventional waveplates, achromatic waveplates provide consistent performance across a broad spectral range, ensuring that light of different wavelengths maintains the same phase shift. This minimizes the effect of chromatic dispersion on the polarization state. They are particularly suitable for multi-wavelength light sources, reducing dispersion-induced interference in optical systems and ensuring stability and precision.
These waveplates are widely used in fields such as fiber-optic communication, laser modulation, and microscopy systems, offering higher stability and precise optical control to maintain consistent performance across various applications.
Notes: To ensure optimal performance, it is recommended to store and use the waveplate at 25 °C with relative humidity between 40% and 60%. If the surface becomes contaminated, gently clean it with >99% alcohol and lint-free lens tissue. Avoid rough fabrics, water, or abrasive cleaners to prevent coating damage.
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