Optically contacted zero-order waveplate
Optically contacted zero-order waveplates achieve zero-order phase retardation through the optical contact of precisely polished surfaces of birefringent material, offering significant technical advantages: the glue-free design eliminates problems such as dispersion and aging of optical adhesives, achieving λ/300-level phase retardation precision (phase error <1%) and wavelength dependence <within the wide spectral range of 400-1800nm, with retardation reduced by 2%. Thanks to the molecular-level contact interface, this product exhibits excellent mechanical stability, can operate over a wide temperature range from -40°C to 85°C, and its laser damage threshold exceeds 5-10 J/cm^2 (1064nm, 10ns), more than 3 times that of glued structures. In femtosecond laser oscillators, its zero-dispersion characteristics ensure polarization state consistency of the supercontinuum from 400nm to 1030nm, with pulse chirp error <5%; in quantum key distribution (QKD) systems, its high-precision phase control keeps polarization state fidelity above 99.8%, enabling low bit error rate quantum signal transmission.
Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Quartz |
| Diameter Tolerance | +0.0, -0.1mm |
| Wavefront Distortion | λ/8 @ 632.8nm |
| Delay Tolerance | λ/300 |
| Parallelism | <1″ |
| Technical indicator photopurity | 20/10 |
| Optical Aperture | >90% |
| Coating | S1&S2:R<0.2% @ Wavelength |
| Standard Wavelength | 266nm、355nm、532nm、632.8nm、780nm、808nm、850nm、980nm、1064nm、1310nm、1480nm、1550nm |
Datasheet
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