The Mueller matrix roots decomposition recently proposed by Chipman in [1] and its three associated families of depolarization (amplitude depolarization, phase depolarization, and diagonal depolarization) are explored. Degree of polarization maps are used to differentiate among the three families and demonstrate the unity between phase and diagonal depolarization, while amplitude depolarization remains a distinct class. Three families of depolarization are generated via the averaging of different forms of two nondepolarizing Mueller matrices. The orientation of the resulting depolarization follows the cyclic permutations of the Pauli spin matrices. The depolarization forms of Mueller matrices from two scattering measurements are analyzed with the matrix roots decomposition—a sample of ground glass and a graphite and wood pencil tip.
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Nondepolarizing Mueller Matrix Generators through and Their First-Order Taylor Series Approximations
Number
Generator
First-Order Form
1
2
3
4
5
6
Table 2.
Depolarizing Mueller Matrix Generators through and Their First-Order Taylor Series Approximations
Number
Generator
First-Order Form
7
8
9
10
11
12
13
14
15
Table 3.
Notation for the Basis Diattenuator and Retarder Mueller Matrices Oriented Along the Three Stokes Axes (Horizontal/Vertical, and Right/Left Circular), as well as an Attenuating Identity Matrixa
Attenuator
Horizontal/Vertical Linear Diattenuator
Linear Diattenuator
Circular Diattenuator
Horizontal/Vertical Linear Retarder
Linear Retarder
Circular Retarder
and are the maximum and minimum transmission, , is the magnitude of the retardance vector, and is the attenuating coefficient.
Table 4.
Depolarization Properties (Shown by Parameters through ) Produced by Averaging Two Nondepolarizing Mueller Matrices
Matrix
(, , )
(, , )
(, , )
(, , )
(, , )
, ,
(, , ),
(, , )
(, , ),
(, , ),
(, , )
, ,
(, , ),
(, , ),
(, , )
(, , ),
(, , ),
(, , ),
(, , ),
(, , ),
(, , )
(, , )
(, , ),
(, , ),
, ,
, , ,
(, , )
(, , ),
(, , )
(, , ),
, ,
(, , ),
(
, , ),
(, , ),
(, , ),
(, , ),
Table 5.
Matrix Roots Parameters from a Ground Glass Sample for Specular and Nonspecular Angle Pairs
Roots Parameter
Specular Angle
Non-Specular Angle
0.029
0.096
0.002
0.006
2.612
0.785
0.007
0.005
0.001
0.016
0
0.108
0.029
0.007
0.065
0.459
0.292
1.169
Tables (5)
Table 1.
Nondepolarizing Mueller Matrix Generators through and Their First-Order Taylor Series Approximations
Number
Generator
First-Order Form
1
2
3
4
5
6
Table 2.
Depolarizing Mueller Matrix Generators through and Their First-Order Taylor Series Approximations
Number
Generator
First-Order Form
7
8
9
10
11
12
13
14
15
Table 3.
Notation for the Basis Diattenuator and Retarder Mueller Matrices Oriented Along the Three Stokes Axes (Horizontal/Vertical, and Right/Left Circular), as well as an Attenuating Identity Matrixa
Attenuator
Horizontal/Vertical Linear Diattenuator
Linear Diattenuator
Circular Diattenuator
Horizontal/Vertical Linear Retarder
Linear Retarder
Circular Retarder
and are the maximum and minimum transmission, , is the magnitude of the retardance vector, and is the attenuating coefficient.
Table 4.
Depolarization Properties (Shown by Parameters through ) Produced by Averaging Two Nondepolarizing Mueller Matrices
Matrix
(, , )
(, , )
(, , )
(, , )
(, , )
, ,
(, , ),
(, , )
(, , ),
(, , ),
(, , )
, ,
(, , ),
(, , ),
(, , )
(, , ),
(, , ),
(, , ),
(, , ),
(, , ),
(, , )
(, , )
(, , ),
(, , ),
, ,
, , ,
(, , )
(, , ),
(, , )
(, , ),
, ,
(, , ),
(
, , ),
(, , ),
(, , ),
(, , ),
Table 5.
Matrix Roots Parameters from a Ground Glass Sample for Specular and Nonspecular Angle Pairs