For infrared detectors with sphericaloptics, the field of view is always circular.
对于球面光学红外探测器，视场总是循环。
2
We introduce the application of matrix method in geometrical optics by dealing spherical refraction system with matrix method.
本文用矩阵处理球面折射系统光学问题来介绍矩阵方法在几何光学中的应用。
3
Based on the matrix optics, the propagation and transformation characteristics of Gaussian beam through a parabolic gradient-index rod with the spherical end surfaces are analyzed.