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首页> 外文会议>Conference on Optical Design and Engineering; Sep 30-Oct 3, 2003; St.Etienne, France >Recording of concave diffraction gratings in two steps process using spatially incoherent light
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Recording of concave diffraction gratings in two steps process using spatially incoherent light

机译：使用空间非相干光分两步记录凹面衍射光栅

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摘要

The original optical design for two steps recording of the holographic diffraction gratings is presented. It gives the combination of the merits of two previously developed methods in one. From one hand, due to recording in two steps, we can use wide possibilities of the aberrations compensation. From another hand, we can record both the gratings -objective and the final grating in spatially incoherent light. This simplifies the technology of the holographic recording. Previously per limit one of the two steps required using of the spatially coherent light. Method does not require using of the additional optics. Both surfaces of the grating - objective blank have spherical form. The blank of the final grating can be plane - concave, which is usual for diffraction gratings. Since the blaze angle of the grating, recorded in the counterpropagating beams is determined by the recording geometry, and the efficiency of the grating depends on the polarization of the incident light, the transmission calculations with taking into consideration the polarization also have been provided. The transmission of the system is optimal for the S polarized light, the addition increasing of the transmission can be achieved by using of the immersion grating - objective.
机译：提出了用于全息衍射光栅两步记录的原始光学设计。它将两种先前开发的方法的优点结合在一起。一方面，由于分两步进行记录，因此可以使用各种可能的像差补偿。从另一方面来说，我们可以在空间不相干的光中记录目标的光栅和最终的光栅。这简化了全息记录的技术。以前每个极限使用空间相干光所需的两个步骤之一。该方法不需要使用附加的光学器件。光栅-物镜毛坯的两个表面均为球形。最终光栅的毛坯可以是平面的-凹面的，这对于衍射光栅来说很常见。由于记录在反向传播光束中的光栅的闪耀角由记录几何形状确定，并且光栅的效率取决于入射光的偏振，因此还提供了考虑偏振的透射计算。该系统的透射率对于S偏振光是最佳的，可以通过使用浸没光栅-物镜来增加透射率。

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