Matrix Reflection Matrices
Each optical element is described by a 22 ray transfer matrix which operates on a vector describing an incoming light ray to calculate the outgoing ray. That is M and N must be square matrices.
After calculating this mirror matrix any vector k.

Matrix reflection matrices. Let R be the matrix R I 2 u w. For a sensible matrix algebra to be developed it is necessary to ensure that MN and NM both exist and have the same order as M and N. The Abeles matrix method is a computationally fast and easy way to calculate the specular reflectivity from a stratified interface as a function of the perpendicular momentum transfer Qz.
The appropriate matrix is very like the identity matrix. Reflection in the x axis maps y to y while reflection in the y axis maps x to -x. Where the mirror matrix M is calculated to be.
Quick tips for remembering the matrices that rotate and reflect in this free math video tutorial by Marios Math Tutoring. In the work that follows you will be working with 2 2 matrices as well as with row vectors 12 matrices and column vectors 2 1 matrices. M I 2 n T.
X n z 2n yn z 1 2n z 2. In this video using a clever trick in which a difficult problem i. M 1 2n x 2 2n xn y 2n.
N x n y n z n x n y n z. The product of two such matrices is a special orthogonal matrix that represents a rotation. M 1 0 0 0 1 0 0 0 1 2.
We go through reflecting over the. X n z 2n xn y 1 2n y 2 2n yn z 2n. Where θ is the angle of incidencereflection of the incident radiation and λ is the wavelength of the radiation.
K 2 M k 1. This video looks at how we can work out a given transformation from the 2x2 matrix. Explain why R is called a reflection matrix by explaining why for any vector v w v u v and explaining what R does to the vectors on the line spanned by u and what R does to the vector perpendicular to u.
M can be expanded as. The product of two such matrices is a special orthogonal matrix that represents a rotation. Reflection in a plane The simplest example of a reflection matrix corresponds to reflecting the vector xy in either the x or y axes.
It considers a reflection a rotation and a composite transformation. Multiplication of the successive matrices thus yields a concise ray transfer matrix. The vector law of reflection can be written in matrix form as.
There are many important matrices in mathematics foremost among them the rotation matrix. The matrix for a reflection is orthogonal with determinant 1 and eigenvalues 1 1 1 1. Ray transfer matrix analysis is a mathematical form for performing ray tracing calculations in sufficiently simple problems which can be solved considering only paraxial rays.
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