Coherence and polarization of polarization speckle generated by depolarizers and their changes through complex ABCD matrix

Ning Ma; Steen G. Hanson; Tim K. Lee; Mitsuo Takeda; Wei Wang

doi:10.1117/12.2189940

24 August 2015 Coherence and polarization of polarization speckle generated by depolarizers and their changes through complex ABCD matrix

Ning Ma, Steen G. Hanson, Tim K. Lee, Mitsuo Takeda, Wei Wang

Author Affiliations +

Proceedings Volume 9660, SPECKLE 2015: VI International Conference on Speckle Metrology; 96601D (2015) https://doi.org/10.1117/12.2189940
Event: SPECKLE 2015: VI International Conference on Speckle Metrology, 2015, Guanajuato, Mexico

Abstract

Recent research work on speckle patterns indicates a variation of the polarization state during propagation and its nonuniformly spatial distribution. The preliminary step for the investigation of this polarization speckle is the generation of the corresponding field. In this paper, a kind of special depolarizer: the random roughness birefringent screen (RRBS) is introduced to meet this requirement. The statistical properties of the field generated by the depolarizer is investigated and illustrated in terms of the 2x2 beam coherence and polarization matrix (BCPM) with the corresponding degree of coherence (DoC) η and degree of polarization (DoP) P . The changes of the coherence and polarization when the speckle field propagates through any optical system are analysed within the framework of the complex ABCD-matrix theory.

Citation Download Citation

Ning Ma, Steen G. Hanson, Tim K. Lee, Mitsuo Takeda, and Wei Wang "Coherence and polarization of polarization speckle generated by depolarizers and their changes through complex ABCD matrix", Proc. SPIE 9660, SPECKLE 2015: VI International Conference on Speckle Metrology, 96601D (24 August 2015); https://doi.org/10.1117/12.2189940

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