Changchun Yutai optics are good at producing Low Order Waveplates.Low Order Waveplates are much better than the multi-order waveplates because of its thinner thickness(less than 0.5mm), better teermperature(38°C), wave length(1.5nm) and incidence angle(4.5°) bandwidth and high damage threshold.  These properties make it widely used in common applications.  

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