双折射滤光片的改进。2：消色差波片。
Improvement of birefringent filters. 2:achromatic waveplates.
作者信息
Title A M
出版信息
Appl Opt. 1975 Jan 1;14(1):229-37. doi: 10.1364/AO.14.000229.
By use of Jones' matrix techniques, nine-element achromatic waveplates are developed. These combination plates are achromatic to within 1 degrees throughout the visible (3,500-10,000 A). In addition, a two-section general retarder rotator is demonstrated. The retardation of the combination is twice the complement of the angle between the halves, while the rotation is equal to the angle between the halves. For a 90 degrees retardation, the dual five-element combination is also achromatic to within 1 degrees throughout the visible.
利用琼斯矩阵技术，研制出了九元件消色差波片。这些组合波片在整个可见光范围（3500 - 10000埃）内色差在1度以内。此外，还展示了一种两段式通用延迟器旋转器。该组合的延迟是两半部分之间夹角的补角的两倍，而旋转角度等于两半部分之间的夹角。对于90度的延迟，双五元组合在整个可见光范围内色差也在1度以内。
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