True zero-order waveplates are constructed of a crystal quartz waveplate in drect bonding with a high-precision BK7 glass window.The thickness of the true zero-order waveplate is very thin (less than 0.1mm).it make the true zero-order waveplate excellent in temperature, wavelength and incident angle (about 20º) bandwidth. Therefore, it is excellent choice for the highly accurate application. Meanwhile we also supply the single True zero-order waveplates In order to enable the waveplate suitible for high damage threshold (more than 1GW/cm2) application. The thickness of this waveplate means handling can be difficult, we can provide mounts upon request.

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