Dual Wavelength Waveplate
Dual-wavelength waveplates achieve precise phase retardation (λ/4 or λ/2) for two specific wavelengths (such as fundamental and frequency-doubled light) simultaneously through fine optical design. Its technical advantages include: by optimizing thickness matching with birefringent materials such as quartz and mica, it ensures that the phase retardation error at both wavelengths is less than 3%. The compact structural design eliminates the loss caused by stacking traditional single-wavelength waveplates, with a volume only half of the combination scheme. In laser processing, it simultaneously controls the polarization state of 1064nm fundamental light and 532nm frequency-doubled light, enhancing the material's absorption of dual-wavelength energy. In WDM fiber optic communication systems, it supports polarization multiplexing of 1310/1550nm dual wavelengths, reducing optical components and insertion loss, making polarization-dependent loss (PDL) less than 0.5dB, significantly enhancing the transmission stability of dual-band signals.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter | 12.7 |
| Phase Retardation | λ@1064nm +λ/2 @532nm |
Datasheet
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