## Mueller matrix roots algorithm and computational considerations |

Optics Express, Vol. 20, Issue 1, pp. 17-31 (2012)

http://dx.doi.org/10.1364/OE.20.000017

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### Abstract

Recently, an order-independent Mueller matrix decomposition was proposed in an effort to elucidate the nine depolarization degrees of freedom [*Handbook of Optics*, Vol. 1 of *Mueller Matrices* (2009)]. This paper addresses the critical computational issues involved in applying this Mueller matrix roots decomposition, along with a review of the principal matrix root and common methods for its calculation. The calculation of the *p*th matrix root is optimized around *p* = 10^{5} for a 53 digit binary double precision calculation. A matrix roots algorithm is provided which incorporates these computational results. It is applied to a statistically significant number of randomly generated physical Mueller matrices in order to gain insight on the typical ranges of the depolarizing Matrix roots parameters. Computational techniques are proposed which allow singular Mueller matrices and Mueller matrices with a half-wave of retardance to be evaluated with the matrix roots decomposition.

© 2011 OSA

**OCIS Codes**

(120.5410) Instrumentation, measurement, and metrology : Polarimetry

(260.5430) Physical optics : Polarization

(290.5855) Scattering : Scattering, polarization

(240.2130) Optics at surfaces : Ellipsometry and polarimetry

**ToC Category:**

Instrumentation, Measurement, and Metrology

**History**

Original Manuscript: August 2, 2011

Revised Manuscript: October 13, 2011

Manuscript Accepted: October 21, 2011

Published: December 19, 2011

**Citation**

H. D. Noble and R. A. Chipman, "Mueller matrix roots algorithm and computational considerations," Opt. Express **20**, 17-31 (2012)

http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-1-17

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