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DLP500YX: DLP500YX

Part Number: DLP500YX

您好,我尝试做一台光谱仪,其中有一个环节是拉曼激光(530~600nm)的脉冲激光通过光栅打入到DMD上。

问题一是:此时是否因为laser是相干光源而不是简单的非相干光源,以及波长与DMD尺寸接近,我应该考虑将DMD作为二维衍射光栅而不是普通反射镜?还是忽略2d光栅衍射模型考虑反射为主。

问题二是在DMD Optical Efficiency for Visible Wavelengths的技术文章中描绘了可见光的衍射效率,那仅仅是考虑从将白光分成每个单波长的衍射效率,即非相干可见光源的衍射效率?