True order waveplate is designed for wavelength range 1300--1700nm for telecom application. These waveplates provide best possible angle, temperature and wavelength performance. The thickness of these waveplates are very thin (approx 100mm).

General Specifications

Material                                    Quartz
Dimension tolerance              ±0.1mm
Parallelism                                1 arc sec
Surface quality                         20-10 S/D
Wavefront distortion              λ/8@632.8nm
Retardation tolerance            λ/300
Clear aperture                         >90%
Coating on both sides            R<0.25% @ design wavelength