因为当棱镜置于会聚光束中时，离轴漂移造成有像散的像，格兰型棱镜的成像质量比尼·科尔型略好。
Since off-axis wander results in images which have astigmatism when the prism is placed in a converging beam, Glan types have slightly better imaging qualities than Nicla types.
格兰泰勒棱镜在光学领域有着重要的应用，透过比的高低和有效带宽的大小，直接影响着棱镜的品质。
Glan-Taylor prism has important applications in optical field. The quality of the prism is directly affected by the transmissivity and the bandwidth.
这一结果有利于对格兰·汤普森棱镜性能的优化。
The result is helpful to optimize the transmitting performance of Glan-Thompson prisms.
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